Firmware release date: Dec 26, 2024 Standard version: Q3-V1.14.bin Command list version V1.10 1. Disable 3D Sensor Data Collection During Voice Playback in <pre-alm-t> Stage. During the voice playback in the <pre-alm-t> stage, 3D sensor data collection is disabled to prevent vibrations caused by voice playback from triggering the reset-on-motion and interrupting the alarm. 2. Remove GSM Module Reboot After Multiple Network Failures The operation of rebooting the GSM module after multiple network connection failures is removed to avoid network dropouts caused by insufficient network registration time when the device is in roaming state. For example, the Airtel Malawi SIM card requires at least 240 seconds for IMSI rotation. If the GSM module reboots frequently, there will not be enough time to complete the IMSI rotation. 3. Remove Pre-Connection Network Status Check The pre-connection network status check is removed to avoid long queries, which could lead to delays in voice playback after button long presses. 4. Command B78, associated with the field <en-pwr-off-alm>. Fixed the bug where a voice alarm reminder would still be generated after pressing the power-off button. The previous bug occurred because: After pressing the power off button, if the device is in an area with poor GPS signal, it takes up to 4 minutes to complete GPS signal search and fully power off. During this period, if the 3D sensor detects a trigger condition, it would generate Tilt/Fall Down/No Movement voice alarms. 5. Improve Tilt Alarm Detection and Settings 1) Added a 40-second delay before searching for the tilt reference position, allowing the device to stabilize before beginning the search. 2) Search for Tilt Reference Position After Device Boot/Restart 3) After consecutive occurrences in a critical state, the alarm flag will not be cleared until the state stabilizes, preventing repeated switching between the critical and alarm states, and avoiding constant alarm triggers. 4) Add S52 Command for Manually Setting Tilt Reference Position. a. Once set, the device will no longer automatically search for the reference position b. To use, first enable the tilt alarm (Command B35), then use the S52 command to set or query the real-time position. Version V1.14 introduces the S52 command parameter. After upgrading from a lower version, the device will reset to factory settings. ................................................................................................................................................................................................ Firmware release date: Feb 29, 2024 Standard version: Q3-V1.13.bin Command list version V1.8 1. Modify B23 command. Now the users are able to define each specific SOS number to receive indepedent alert actions. New B23 command format: B23,<alm-code>,<GPRS><sos1-sms><sos1-two-way><sos1-monitor>,<sos2-sms><sos2-two-way><sos2-monitor>,<sos3-sms><sos3-two-way><sos3-monitor> Old B23 command format: B23,<alm-code>,<GPRS><SMS><two-way-call><monitor-call> 2. Modify "CAL Button" function. Short double press CAL Button to Enable/Disable "Fall Down"/"Tilt"/"No Movement" motion detection. According to the vibration times to know the device status. a. Enable: device vibrates once after pressing b. Disable: device vibrates twice after pressing c. Add "fall" status field to the C06 retrieve command reply. The status is "No Set"/"Enable"/"Disable". For example: C06,866344054767418,173.212.241.52:10502,TCP;APN:cmnet,,;BAT:3.95V;B03:60,60;Stop;B71:0;Cache:0;Fall:Disable Note: the users still need to set parameters for "Fall Down"/"Tilt"/"No Movement" alert detection first. The CAL Button only controls the enabled "Fall Down"/"Tilt"/"No Movement" alert detection on/off. 3. Modify "status' field in A03 GPRS Protocol. The bit7 changed from "Reserve" to "Moving status". This apply to both A03 and A10 heartbeat packages. 4. Modify factory default parameters B32,100,63,1 Speaker volume 100%, microphone volume 63%, fix settings. B74,1 Enable auto answer incoming call without pressing Button B70,1,0,1 Enable hang up two-way call by short pressing SOS button Enable Power Button to turn on/off device Device ring when long press SOS Button/CAL Button for calling ............................................................................................................................................................................... Firmware release date: Nov 6, 2023 Standard version: Q3-V1.12.bin Command list version V1.7 1. Modify B94 command. Now when the B94 mode is “0”, all LED lights keep off. Short press the "CAL" button to check the battery status. 2. Add <pre-alarm-delay> field to the B35/B36/B76 commands. The user is able to set up delay time before voice displaying for less annoying in some situations. 3. Add B78 command. Power on/Power off, Charging on/Charigng off alarm options are available now. Specific alarm code list is below: Device power on: 53 Device power off: 54 Charging on: 55 Charing off: 56 ........................................................................................................................................................................................... Firmware release date: July 12, 2023 Standard version: Q3-V1.11.bin Command list version V1.6 1. Add S19 Setting Alarm Data Sending Mode command. This command is applied for both SMS and GPRS alarm events. For example, the SOS alarm. Mode is 0, will send out total twice alarms for the same event. The first alarm sends out immediately with last valid coordinates. Then starts to search for GPS signal. The second alarm data will be sent out with real time coordinates once captured the GPS signal or with last valid GPS coordinates if failed to capture the GPS signal during the Max 4 minutes searching time. Mode is 1, send out alarm immediately, the device will not search for GPS signal, using the last valid GPS coordinates instead. Mode is 2, starts to searching the GPS signal. Send out the alarms with the captured real time GPS coordinates or with last valid GPS coordinates if failed to capture the GPS signal during the Max 4 minutes searching time. 2. Add mode 3 option to the B71 command. This mode brings the option for the users who don’t need GPS real time coordinate during the B03 time interval uploading. The device will use the last valid coordinate instead and don’t start the GPS module for longer working time performance. 3. Improve the Tilt function detection algorithm a. <reset-on-angle> field continuous detection time is 2 seconds now, avoid small fluctuation triggering the <reset-on-angle>. b. Improve the initial angle detection algorithm. For example: The device lay on the desk or is in recharging state. Then pick up by hand, the device will search the initial angle automatically. c. Modify the short press SOS logic. Now need short press the SOS button for 3 times instead of old firmware 1 time to obtain the initial angle. ......................................................................................................................................................................................... Firmware release date: May 18, 2023 Standard version: Q3-V1.10.bin Command list version V1.5 fifotrack Q3 Command List V1.5.pdf Download PDF • 1.01MB 1. Support GPRS/SMS sending out during two-way call. Don't have to wait the conversation end anymore. GPRS/SMS reaches the server/phone faster. 2. Bug fixed: B32 command volume settings take effect in the auto answer incoming call mode now. 3. Fix the bug “fall down/tilt event failed to call the SOS phone number at sometimes”. Modify sleep mode logic, add dial_sel detection, avoid entering into sleep mode before dialing. 4. Fix the bug “B29 command sensitivity value can't be 0. Otherwise will come back to default value after the device restarts.” Now the B29 command sensitivity is able to set to 0. 5. Support downloading the self-defined audio file by Audio File Download Tool V1.2 6. Update OTA command B99. Will send the confirmation reply after the OTA done successfully. 7. Add S17 command for downloading the audio file by FTP 8. Add <pre-alarm-t> field to B76 No Movement Alarm command. The No Movement Alarm can trigger ring reminder and be cancelled during pre-alarm stage now. 9. Fix the bug “Duplicated SMS replies to the same command”. 10. Add command S21 for Setting WiFi MAC White List ............................................................................................................................................................................................ Firmware release date: Feb 27, 2023 Standard version: Q3-V1.09.bin Command list version V1.4 1. Fix Fall Down/Tilt alarm ring reminder can't stop bug. With this bug, device keeps ringing during pre-alarm stage, even cancelled by short press SOS button or movement can't stop it. 2. Modify B03 default parameters to B03,0,0 ................................................................................................................................................................................................ Firmware release date: Feb 13, 2023 Standard version: Q3-V1.08.bin Command list version V1.4 1. Add S20 command. This command allows the user to set up one back up APN for better roaming experience. 2. Modify the LED lights flash on logic. Now the device two LED lights flash on/off at every 3 seconds in sleep mode. Delete "Short press Call Button to check LED status" function. 3. Fix B26 command bug, support comma for the SMS head. 4. Modify B36 command <alarm-t> field, time limitation is removed. ................................................................................................................................................................................................ Firmware release date: Feb 7, 2023 Standard version: Q3-V1.07.bin Command list version V1.4 1. Modify B00 command. Add <type>field to B00, now the B00 SMS command format is: 000000,B00,<type>,<IP-domain>,<Port>. <type>=0, turn off GPRS (close TCP connection), No time interval, no GPRS alert to APP or server, this is suitable for the users who only need SMS. For the users who need GPRS function, the <type> should be "1", these <IP-domain> and <port> fields can't be empty. For example: 000000,B00,1,47.88.35.165,10502 2. Modify default factory settings, the IP and APN are empty, port is 0. 3. The parameters will be back to factory settings after upgraded to higher version. ................................................................................................................................................................................................ Firmware release date: Dec 22, 2022 Standard version: Q3-V1.06.bin 1. Add S19 command. S19 command is not public. ............................................................................................................................................................................................... Firmware release date: Dec 15, 2022 Standard version: Q3-V1.05.bin Command list version V1.4 1. Fix ring failed bug when long press SOS button or Call button. This bug only appears in the device which has set up SOS number. ............................................................................................................................................................................................. Firmware release date: Dec 9, 2022 Standard version: Q3-V1.04.bin Command list version V1.4 1. Improve "No movement" alarm judgement condition, don't detect "No movement" during recharging. ............................................................................................................................................................................................... Firmware release date: Dec 1, 2022 Standard version: Q3-V1.03.bin Command list version: V1.3 1. Fall down alarm SMS head default string modified from “Tilt” to “Fall Down”. 2. Add <long-press-voice> field to the B70 command. Enable ring option while SOS button press or CAL button press calling. 3. Modify B76 command. Add one more “No Movement” alarm. Now the user can configure two independent “No Movement” alarms. 4. Modify GSM module driver program, avoid the possible call or SMS delay under incorrect APN setting. 5. Add B35 command for the tilt detection. Tilt GPRS alarm code is 25. Default tilt alarm SMS head string is “Tilt”. 6. Add the < rom-level> field to the B29 command for < reset-on-motion> sensitivity adjusting. This sensitivity affects both “B36 Fall Down” and “B35 Tilt” < reset-on-motion> field. 7. Add <accl-level> field to the B36 command. Enable to adjust sensitivity of “Fall Down” Detection. 8. Only for Tuya version Q3-TY-V1.04 or above: cancel repeat vibration remind before QR code scanning. Only vibrate once after the device power on. The user must press power button to turn on the device and waiting for the vibration before scan the QR code. ............................................................................................................................................................................................. Firmware release date: Oct 20, 2022 Standard version: Q3-V1.02.bin Command list version: V1.2 1. Modify B32 command Q3 default with only one volume mode A (Default) which is fixed volume. We provide command B32 which allows the users to adjust volume, this is mode B (self-defined). After the B32 command is enabled, Q3 has two volume modes both A and B. The users can switch between mode A and mode B by press the Call button during conversation or use the B32 command to enable the mode B volume only. B32,<vol-spk>,<vol-mic>,<vol-fix> 1) Factory default volume- Speaker 40%, Microphone 63%. 2) Customers can use command B32 to self-define the volume, and decide whether use self-defined volume only. a. The actual volume will change only when the parameter change exceeds 17% for speaker and 13% for microphone. b. When <vol-fix> is set to 0, press CAL button can switch volume between the default and self-defined one. c. When <vol-fix> is set to 1, use self-defined volume only, press CAL button can’t switch the volume. d. The volume parameters will be saved after power off. After device restarts, it will use the last saved volume. 2. Modify B70 command Delete the field <vol-change-disable> from B70 command, move this function to B32 command. 3. Modify B72 command Add the field <num-sel>, to set the permitted incoming call number’s type 1) <num-sel>=0, only SOS number and favorite contact number (set with B75 command) can call in. The favorite contact number calls to start two way audio. The SOS number calls to start two way audio or voice monitoring (depends on B31 setting). 2) <num-sel>=1, all numbers can call in. The favorite contact number calls to start two way audio. The SOS number calls to start two way audio or voice monitoring (depends on B31 setting).The other numbers call to start two way audio. 4. Modify the algorithm to detect fall down alarm New design algorithm with a big improvement for the fall down detection. fifotrack personal trackers use free falling + impact to judge the fall. This firmware version keeps the sound remind during <pre-alarm-t> stage and removed the vabration remind to avoid interference. 1) We use free falling+ impact to judge the fall, this will reduce the false alarm. 2) Lean against the wall or sit on chair, then fall slowly, such fall condition can’t be detected yet. 3) When walk quickly, the acceleration data is similar to fall’s, but if enable <reset-on-motion>, can reduce such false alarm. 4) After detect the fall, it has 10s’ judging period. Within this 10s, if detect no movement or very small movement, it will trigger pre-alarm after 10s. If detect big and continuous movement, it will be judged as walking or walking after fall, and won’t trigger pre-alarm. 5) Only sound remind during pre-alarm, no vibration. 6) When detect charging, the fall detection data will be cleared. 7) The motion sensor’s sensitivity (set with B29 command) won’t affect <reset-on-motion>field. 8) Possible false alarm cases: - Walk quickly and then suddenly stop for over 10s (like waiting for traffic light) - Crouch quickly and then no movement over 10s

Below are the possible main reasons of vehicle GPS tracker device offline, we also provide checking way accordingly. 1.Power supply Some drivers like to turn off the battery of vehicle during parking, or the power wire connection between GPS tracker and vehicle's power is disconnected (including be cut off by someone) Checking the latest online data like external power and internal battery value before offline will get clear answer to this question. 2. SIM card without available credit It is very common and is the main reason of device offline. However, the common mistake is that the users think the SIM card has enough credit but actually the credit has run out. - The device can reply SMS command doesn't mean the credit is enough: Device online needs the GPRS data plan. Part operators provide different packages to their customers. For example, calling and SMS are one package, the GPRS data is another package. It is logical that the device can reply SMS or the calling is normal but the GPRS data has run out. - If the users use the M2M SIM card management platform, the situation is more complicated. The user can limit the data consumption of the SIM card. There are active/inactive SIM card, prepaid or postpaid options. Even everything looks normal, the M2M SIM card itself may have issues, especially under roaming network. The challenge is that the GPS tracker supplier doesn't have a reliable way to judge the SIM card credit. So the users need to keep a good record of SIM card recharging. Two further steps are suggested below: - Try to recharge SIM card if can't find other reasons of device offline - Replacing with another proved SIM card for comparison testing - Some types SIM card need registration. However, the challenge is that these SIM cards still can work for a period time (Eg: for around a month) even without registration. From the user's view, this device works well then suddenly offline, and can't work after the credit is recharged. They forget this SIM card need be registered. Do the comparison testing with another proved SIM card always is the No. 1 suggestion for removing the dobut of SIM card. - SIM card can't fit the SIM card slot well. In some countries, the SIM card's quality is not very good, or the vehicle's temperature is too high which affects the shape or touch pin of the SIM card. Finally the SIM card can't fit the SIM card slot well. The user can find that the SIM card from A operator is not working, from B operator is working. Or two SIM cards both are from the same operator but one works, the other one is failed. 3. Parameters are wrong IP, port, APN, and the time interval are core parameters affecting the online. We developed SMS command below to retrieve current parameters. 000000,C06 (000000 is default SMS command password) Below is an example of 000000,C06 reply C06,862273048221154,194.135.92.198:10502,TCP;APN:Etisalat,,, EXT:12.72V,BAT:3.94V;B03:10,0,0,ACC OFF,Stop 862273048221154 is device IMEI 194.135.92.198 is server IP 10502 is port TCP: TCP or UDP GPRS link protocol APN:Etisalat,,,: APN, APN name, APN password EXT:12.72V: External power voltage BAT:3.94V: Built-in battery voltage B03:10,0,0: time interval in ACC ON/OFF ACC OFF: Current ACC state ACC ON/OFF Stop: Current Move/Stop state According to the SMS reply you can know if the parameters are wrong and if the power supply is ok. About the APN, if you know the SIM card operator, you can Google out their APN. Normally each operator has own APN. Most operators only have APN, but part operators have APN, APN name, and APN password. 4. IMEI is not correct in the tracking platform For the new installation, the GPS tracker device is the first time to add to the platform. Some users fill the wrong IMEI number in the platform carelessly. Everything looks ok but the device can't be online. Double check the IMEI is our suggestion. For very few devices, they may face the IMEI short or missing due to unclear reason. Just pay attention to that possibility. 5. Device in blind zone We define "blind zone" as that zone no GSM network signal or too poor GSM network signal. The deivce is failed to send the data out. After the GSM signal recovered, the device will send the stored data automatically. Asking below questions will help you identify this reason: a. Does the vehicle keep moving? b. How long this device was offline? c. Can reply SMS command or not, how about the respons to calling. If the vehicle keeps moving, offline for several days, SMS and calling are valid, it is low possibility from the blind zone reason. But if the vehicle is parking, just oflfine for severa hours, the SMS and calling no respons, suggest you observe longer, it is possible this device is in blind zone. 6. GSM module can't read SIM card This is the GPS tracker device itself physical problem: GSM module is failed to read the SIM card. The device offline, can't reply the SMS command; If you call the device, normally get remind that the service is off or not available. The orange GSM LED light keeps fast flashing at 0.1 second interval. If using the debuging software to check the device log data, you will find several consecutive "+CME ERROR: 10" data and the device restarts circularly. How to know if the GPS tracker device has GSM module problem? - This is NOT one of the main reasons of offline, happened very few. According to our long-term observation, the rate is less than 0.5% after 12 months using, less than 5% after 5 years using. The users need remove other doubt points first. - A simple way is the SIM card comparison testing. Insert one proved SIM card which works well in other GPS tracker device, if the offline device still can't work well with the proved SIM card, and the GSM LED light flashes fast, you need doubt the GSM module problem reason. - Please pay attention to below two factors: a: Make sure the power supply is normal. If the power supply is not enough (external power or internal battery voltage/electric current too low) the GSM module can't work well. b: SIM card comparison testing is very important. The GSM module problem and the SIM card itself reason (out of balance, SIM card broken, SIM card without registration, etc) cause same device behaviors such as offline, SMS and calling failure, fast GSM LED light flash, even the debugging software log data is same. Any GSM module problem conclusion must be based on proved working well SIM card comparison test.

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—— Gain an in-depth understanding of the GPS tracker product S50K is fifotrack’s main model for Thailand DLT, it supports 4G and 2G. Its 1st generation model 2G S20 was released in 2017. 2nd generation model 3G S50 entered Thailand market since 2019, Now S50K is the 3rd generation with very stable performance. More and more customers are using S50K for their business, why? Part 1: Hardware Quality S50K’s hardware engineer has been in GPS tracker industry since 2005. He is one of the pioneer hardware engineers in China Mainland for GPS tracker products. He has extensive experience in material selection and circuit design, which forms the foundation for ensuring product quality. Driven by a commitment to quality, he uses only qualified components, avoids price wars, and focuses on maintaining a strong reputation. Here is S50K’s circuit board photos. We can see, it uses famous module supplier Quectel’s GPS and GSM module. The battery is securely wrapped to protect the cells from scratches, preventing potential issues like leakage, swelling, or charging failure, enhancing its durability. S50K uses automotive-grade electrolytic capacitors and inductors, ensuring a stable power system. It features a 25x25mm high-gain ceramic GPS antenna for optimal performance. The GSM antenna has a large surface area to ensure stable GSM signals, a wide frequency range, and achieves the best sensitivity and power levels. Hardware Stable performance fifotrack DLT GPS tracker S50K supports a wide voltage input range of 8-92V, making it safe for use in cars, large trucks, and even motorcycles. Additionally, its circuit design includes burnout protection, along with an additional fuse for double protection. -Protection for sudden-change of auto power supply: When the vehicle starts or is running, the power voltage will have a wave of change. S50K supports voltage 8-92V. When external power supply reaches high voltage peak, the product will trigger high-voltage protection through clamping, anti-pulse, and high voltage detection. This ensures the product to operate normally under high voltage. -Auto power transient pulse: When the vehicle starts or is running, it will generate high-voltage transient pulse with a range of hundreds of volts. If the product’s circuit is not well designed, it is very easy to get damaged, and can’t be used. Through multistage transient pulse protection and anti high-voltage surge protection, S50K’s power circuit is well protected and can operate stably. -Electromagnetic immunity: When the vehicle starts, the clock, RF, display screen and USB are very easy to be interfered by electric spark, which causes the product to operate unstably. Through PCB layout and ground wire handling, S50K can work stably under interfered environment. -Anti static: The vehicle products’ working condition is complex. It is very easy to be influenced by static, which causes damage to the product’s peripheral interfaces. Through ESD protection on circuit and ground wire handling, the static in the range of 8KV-15KV won’t cause damage to product. This ensures the product’s stability under complex working condition. Part 2: Firmware Stable Performance The predecessor to the S50K, the 3G S50, entered the Thai market in 2019, and its firmware has been iterated over 5 years, resulting in highly stable performance. S50K protocol is simple, using both Decimal and Hex string formats for readability and brevity. Configuration is user-friendly, allowing easy setup and parameter reading through SMS or software tools. GPS Static Drift Inhibition As widely known, the issue of static drift in GPS trackers is unavoidable. fifotrack addresses this by implementing the following solutions: - Firmware Filtering: By using the ACC status, speed value, and the distance between two consecutive points, unreasonable data points are filtered out. - Satellite Number: S50K data package includes satellite number, allowing users to filter out data with <4 satellites on the platform. - Heartbeat Data: Through setting, when ACC off, only upload heartbeat data to keep the device online without updating the location, reducing drift during ACC off periods. Feature Highlights As a DLT product, S50K also supports these additional features: -IP66 Waterproof -External Power Protection: When the vehicle is parked too long time, its battery may be drained by GPS tracker and can’t be started. To prevent this, fifotrack GPS tracker can be configured to disconnect when the vehicle battery voltage falls below the threshold, and reconnect when it rises. - Fuel Monitoring: S50K supports capacitive fuel sensor with an AD voltage range of 0-36V, with refueling and fuel theft alerts. It also supports vehicle’s original fuel sensor, For original fuel sensor detailed instructions, please check https://www.fifotrack.com/vehicle-s-original-fuel-sensor-solution - Driver Behavior Analysis: S50K supports alarms for speeding, harsh braking and acceleration, fatigue driving, excessive idling, and parking overtime. Tracking Platform for DLT DLT GPS tracker S50K is compatible with the following third-party platforms: - GPS Server - GPSGATE - Wialon Part 3: Smart Card Driver License Thailand’s DLT plans to implement smart card driver licenses by 2026. We will upgrade the S50K to support the smart card reader accordingly. During the transition period, S50K will support two-in-one card reader, allowing both old and new cards to be used. Part 4: Customer Testimonials We keep visiting our client partners in Thailand yearly and keep collecting our products performance statistics data feedback. In August 2024, we had a business trip in Thailand and received feedback on our product quality from two long-term partner customers: - Customer 1: This customer has used our A500 model since 2017 and used S50 model since 2019, with over 6,000 units in operation. They reported that, even after more than 5 years of use, over 90% of our units are still functioning well. - Customer 2: Working with us since 2018, this customer has also used two other popular brands before. They stated that among these three suppliers, our quality is the best. Despite severe price war in the GPS tracker market, fifotrack remains committed to its original mission of providing reliable products and being a responsible partner. Our brand core values are: durable product and reliable technical support.

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