Suntech USA - Support Portal

Firmware Release Bulletin: ST4910 - v116.2.1.9

21 Jul, 2021

Release Notice Date:  2021/07/21

Production Release Date:  2020/07/01

Expected Maintenance Duration:  NA

Release Type: Recommended Update - All Carriers

Full Change logs

Ver.2.1.9 / 2021.6.11

  • LATAM-1059 When UDP, Zip report, Latam UDP ACK were used, failed ACK of sending report.
  • USA-1586 no FIN in wire-shark sometimes.
  • SQA-5417 Parking time increased differently after OTA completion.
  • USA-1587 Occurred angle report when the vehicle drives straightly. : Reduce the error cases, not perfect.

Ver.2.1.8 / 2021.6.3

  • USA-1582 Cannot wakeup by motion sometimes.
  • Erased the case of non-wakeup by motion.
  • Improved entering parking by motion with ignition off delay.
  • Modified to keep GPS is powered on when the report interval is less than 10 minutes for exact positing.
  • SQA-5401 No alert for low battery when becomes low battery again.
  • SQA-5414 No wakeup and alert after disconnecting charger during deep-sleep.
  • Avoid to get bad position after device reset.

Ver.2.1.7 / 2021.5.31

  • USA-1271 Changed parking GPS position when report interval is short.
  • Changed minimum interval for parking to 10 minutes.
  • USA-1555 Disappeared AES128 manual key in sync-track after power on and reboot
  • USA-1557 Reported charging on/off alert only after battery value is read when this events is occurred in deep sleep.
  • USA-1559 Displayed AT commands in report.
  • USA-1562 Sometimes, the profile has invalid values in SMS number.
  • USA-1568 repeated charging on/off alert at around 4.2V battery
  • USA-1573 USA-1574 Modified not to turn on when charger is connected or disconnected after shut-down by magnetic.
  • USA-1576 Not refresh GPS position in hear-beat report when the device waked up form sleep or deep sleep
  • USA-1578 No report by angle when all report intervals are zero and angle for report is set
  • USA-1579 Cannot get current GPS position when report is created.
  • USA-1581 Never send hear-beat reports after sending a first hear-beat report when only one hear-beat time is set.

  • SQA-5378 When the STT Report Interval is changed, it is reported at 1 second intervals.

  • When using UDP, added confirmation process which checks whether data through 2G or 4G is sent or not.
  • Improved ignition detection by motion to removed unrecognition cases at motion on.
  • Modified to send alerts after it passed 3 minutes under no GPS when the alert event is occurred in sleep or deep sleep mode..

Ver.2.1.6 / 2021.5.18

  • Modified modem handling
    : not to change from 4G to 2G at roaming condition
    : added server handling for Telia MS server not to use aggressive network signaling
  • Erase fail cases at using factory tools
  • Added OTA process for Quectel modem firmware
  • Added A-GPS and self A-GPS

A-GPS would be used at getting first GPS position when A-GPS option is enabled and the device is powered up, and self A-GPS is used in other all cases.

  • SQA-5111 Modified to send the report as off-line state if the reporting is delayed for 4 minutes.
  • SQA-5371 Fixed no access to maintenance server every day.
  • SQA-5373 Fixed heartbeat report is missed sometimes.
  • USA-1516 Short trips result in no GPS fix
    Improved GPS position fix time by keeping GPS backup line to high except for the case that report interval is 24 hours.
    Now, it will consume around 100uA current than before. But the current will be reduced by reducing on time of GPS chipset in the future.
  • USA-1546 Fixed sending of heartbeat report was delayed sometimes.

Ver.2.1.5 / 2021.4.29

- United firmware for USA, LATAM and EU


- Add LATAM Feature Preset/Preset_P.

- Change a Parameter Name(1016). LTE Cat M1 Band à Scanning Band Mode

- Add a new Parameter Setting - UDP ACK Formula(1026).

- Fix a bug of LATAM’s Cell ID

- This FW Version is united with USA and LATAM

Ver.2.1.4 / 2021.4.12

- Fixed an issue where the device stops when the setting parameters are frequently changed.

Ver.2.1.3 / 2021.4.9

- USB-1300. EEPROM backup process is applied. (ESN and setting Parameter values).

- Fixed the SQA-5271 and SQA-5274, SQA-5193.

Ver.2.1.2 / 2021.4.5

- Removed side effect during matching report time

Ver.2.1.1 / 2021.4.5

- Fixed inaccurate report time

- Erased missing of shutdown and low battery alert at shutdown

- Modified not to report voltage value with 0.0V

- Changed alert ID number of detection light.

Ver.2.1.0 / 2021.3.25

Based on V2.0.10

- USA-1448. Stopped reporting caused by looping of TCP fail case.

- USA-1465. Report at predefined special time (New Function)

- Changed report format to 3byte UP Protocol and some parameter IDs.

!! If the device is downgrade from this to 2.0.10 and older version than 2.0.10, the device will erase all setting parameter and cannot boot up until it passed around 30 seconds after downgrading.

Ver.2.0.10 / 2021.2.26

Fixed JIRA Issues:

USA-1421: Improved the feature of gps update for alert reports for motion on and motion off.


Added feature of sending 30 seconds report.

Ver.2.0.9 / 2020.12.21

Fixed JIRA Issues:

SQA-5012: Fixed an error where ALT55 did not occur when the device was turned off due to magnetic contact


Deleted the feature of Shock and Collision Alert.

Improved UDP ack process.

Ver.2.0.8 / 2020.11.24

Fixed JIRA Issues:

USA-1254 : Added new udp ack logic

SQA-4977 : Added Mov On/Off Delay setting related unit display in synctrak.


Added the feature of Shock and Collision Alert.

Ver.2.0.7 / 2020.10.19

Fixed JIRA Issues:

          SQA-4867: Changed the STT Report Mode field to display from 2 to 8 when the driving and charging.

Ver.2.0.6 / 2020.9.23

Fixed JIRA Issues:

          USA-1061: When trying to update the profile of the ST4910 through OTA, it has been fixed so that it does not fail due to file size.


          Changed the default state of band 25 from disabled to enabled.

Ver.2.0.5 / 2020.9.2

Fixed JIRA Issues:

          SQA-4859: Reset tracking interval time as default after reboot, if bigger than 24.

Ver.2.0.4 / 2020.8.28

Fixed JIRA Issues:

          USA-943: Not report ALT55 when low battery shutdown.


          Fixed the error of Full Test( factory ).

Ver.2.0.2 / 2020.8.26

Fixed JIRA Issues:

SQA-4823: Incorrect the no sim display at synctrack.

SQA-4792: the BG96 stopped working.

USA-993: the BG96 stopped working.

          USA-707: Not connect to MNT immediately.


Changed reset active time of BG96 when boot( 300ms->1s ).

Changed reboot delay time when NO_SIM.( 10s -> 60s ).

Changed power down timing of BG96.

Changed power off key timing of BG96.

Ver.2.0.1 / 2020.8.19


          MCU FLASH SIZE: 256K -> 512K

          Added the factory command for ‘NV Backup’.

Ver.1.0.65 / 2020.8.19

Fixed JIRA Issues:

          SQA-4811: Incorrect the FW version of BG96.

          SQA-4819: Incorrect the document of alert report.

SQA-4796: the value of battery is zero when turned on.

SQA-4792: the BG96 stopped working.

          USA-912: Incorrect ‘NO SIM’ alert.

Ver.1.0.64 / 2020.8.3

Fixed JIRA Issues:

SQA-4791: Incorrect the format of 'LAC' field.

SQA-4794: Incorrect the description of alert 99.


          Changed the retry count when ‘NO_SIM’ occurs.( 3 -> 5 )

          Changed the retry command when the checking ‘SIM’ status.

          Fixed the bug of AGPS.( an infinite loop can occurs )

Ver.1.0.63 / 2020.7.20

Fixed JIRA Issues:

          CW-103: Sends unlimited SMS messages.

          USA-868: Incorrect low battery shutdown threshold.

          USA-795: Add battery voltage to ALT reports.

Ver.1.0.62 / 2020.7.02

Fixed JIRA Issues:

          SQA-4709: Can’t update battery voltage when change battery.

          SQA-4607: Incorrect battery level.

          SQA-4736: Incorrect ‘shutdown’ operation of battery.

          SQA-4699: Incorrect ‘motion on/off’ operation.


          Added battery voltage at ALT report.

Ver.1.0.61 / 2020.6.19

Fixed JIRA Issues:

          SQA-4551: SPD/CRS of alert(99) value is not 0.

          SQA-4655: Incorrect ‘shutdown’ operation of battery.

          SQA-4663: Incorrect ‘shutdown’ operation of battery.

          SQA-4662: Incorrect ‘shutdown’ operation of battery.

SQA-4643: Turned off after RESET.

          SQA-4637: No error message when ‘SetGoogleMap’ command.

          USA-754: the information of backup server is broken.


          Fixed the bug of memory usage.

          Added the process of heap management.

Ver.1.0.60 / 2020.6.2

Fixed JIRA Issues:

          USA-735: Incorrect ‘NO SIM’ alert.


          Clear no-init ram area when reset by watchdog.

          Improved the error process of UART.

Ver.1.0.59 / 2020.5.27

Fixed JIRA Issues:

          SQA-4589: Incorrect standby current when turned off.

          SQA-4593: Delayed the response of ‘StatusReq’ command.

          SQA-4607: Incorrect battery voltage value.

          USA-724: Missing ‘Power Up’ alert.


          Added the command for ‘location query’.

          Changed the default time of RTC( as 2020-01-01 )

          Changed the boot timing of BG96.

          Changed the boot sequence of GPS.( after BG96 turned on )

          Changed the interrupt priority of UART & TIMER.

          Added the timestamp at debug log.

Ver.1.0.58 / 2020.5.19

Fixed JIRA Issues:

          USA-655: Incorrect UTC time of report.

          USA-701: Incorrect battery voltage of report.


          Added the function for Sleep.

          Added the function for AES128.

Ver.1.0.57 / 2020.5.15


          Added the setting parameter of ‘power down type’.

          It is TEST FW for certification.

Ver.1.0.56 / 2020.5.13


          Changed the waiting time of HALT(deep sleep) when GPRS is NO_ATTACH_NW.

          ( Max 6min -> Max 10min )

Ver.1.0.55 / 2020.5.13

Fixed JIRA Issues:

          USA-662: don’t report STT message.


          Increase the waiting time of HALT(deep sleep) when GPRS is NO_ATTACH_NW.

Ver.1.0.54 / 2020.5.12

Fixed JIRA Issues:

          SQA-4543: don’t report CPL/NCPL message after OTA.

          SQA-4547: reported Alert 3 message.

USA-677: only reported Alert 55 when turn off.

USA-662: don’t report STT message.

USA-675: reboot after OTA( v52 -> v53 )

USA-679: device turn off/on continuously.


          Added verify operation of FLASH when OTA.

          Improved MNT & A-GPS scheduling.

          Adjust latest STGPRS code for BG96 SVN04.

Ver.1.0.53 / 2020.5.9

Fixed JIRA Issues:

          USA-631: speed data is reported as 0 when ‘motion sensor’ disabled.

          USA-660: no operation after shutdown.

USA-647: Changed LED operation when turn on/off.

USA-672: Changed the default of ‘GPS on with motion’ ( disable -> enable )


          Improved the bug of watchdog reset.( i2c timeout and etc. )

          Improved the task scheduling.

          Deleted that power off state when watchdog reset count is bigger than 5.

Ver.1.0.52 / 2020.5.4

Fixed JIRA Issues:

          USA-658: Added alert mod of ‘power up’.

          USA-657: Incorrect battery voltage.

          USA-624: GPS location is not report properly.

          USA-647: Changed LED operation when turn on/off.

          USA-655: Do not clear RTC time when turn on.

          SQA-4526: Clear speed & course when parking alert.

Ver.1.0.51 / 2020.5.4

Fixed JIRA Issues:

          USA-631: speed data is reported as 0 when ‘motion sensor’ disabled.


          Improved the bug of watchdog reset.

          Added the log messaged when reset.

Ver.1.0.50 / 2020.4.29

Fixed JIRA Issues:

          SQA-4518: MNT report time is not correct.

          SQA-4516: Suddenly changed to default GPS.


          Do not clear speed & course when ‘motion sensor’ disabled.

Ver.1.0.49 / 2020.4.24

Fixed JIRA Issues:

          SQA-4513: The reports did not receive from device.

          USA-632:  Problem that turns on again after power off.


Changed Watchdog Time( 12sec -> 20sec )

Added exception process to MNT access time.

Don’t do the AGPS process while updating.

Clear speed & course information when motion is off only.

Ver.1.0.48 / 2020.4.21


Changed Watchdog Time( 5sec -> 12sec )

Ver.1.0.47 / 2020.4.21

    Fixed JIRA Issues:

          SQA-4492: Incorrect version.

          USA-623 : Don’t power on after OTA( v44 -> v46 ), reset continuously


Fixed a bug about AGPS( sometimes reset )

Decrease boot time when factory test

Go to shutdown state when factory sleep.

Ver.1.0.46 / 2020.4.16

    Fixed JIRA Issues:

          SQA-4486: Can’t backup ‘AGPS enable’ option

          SQA-4488: Can’t backup ‘Shutdown enable’ option.

          SQA-4487: Send ALT18 report after shutdown.

Ver.1.0.44 / 2020.4.14

    Fixed JIRA Issues:

          USA-590: Device gets stuck after OTA update

          SQA-4482: STT Report send every 1sec after OTA update

          SQA-4481: Fixed UP Command(ST4910) document.

          SQA-4466: Fixed UP Parameter(ST4910) document.

          SQA-4471: Report send when ESN is “0”


Added Self AGPS operation when AGPS disabled.

Fixed a bug about GPS.

  • Sometimes AGPS process is stopped.
  • GPS turned on for long time if not fixed for 1 hour.

Ver.1.0.42 / 2020.4.10

Fixed AGPS bug.( sometimes progress stops )

          Added ‘hot start’ when GPS fixed first.

          Added AGPS enable/disable command.

Fixed SQA-4480: The time of real GPS not changed.

Fixed SQA-4476.

Fixed SQA-4471.

Ver.1.0.41 / 2020.4.07

Fixed USA-590.

Ver.1.0.40 / 2020.4.03

Added the A-GPS( Assist Now Online ).

Added the Validation Check of MNT & PROFILE.

Fixed SQA-4455/4466/4447/4468/4467.

Fixed USA-573.

Ver.1.0.34 / 2020.3.27

Fixed SQA-4320 : will be check for a few day.

Fixed SQA-4419 : sometimes there is 1sec delay after alert.

Fixed SQA-4317/4441/4427/4434/4432/4438/4439/4451/4455.

Ver.1.0.32 / 2020.3.20

Added the ‘FW Update’ command.

Changed the model number( 94 à 101 )

Fixed SQA-4420/4421/4319/4414/4415.

Ver.1.0.31 / 2020.3.18

Added the OTA of profile

Added the Self A-GPS( Assist Now )

Added the SMS function.

Added the Accelerometer function.

Fixed SQA-4325/4320/4318/4314.

Ver.1.0.19 / 2020.1.31

Fixed the problem of no operation after low battery alert.

Fixed the problem that did not connect to MNT server.

Fixed SQA-4211/4294/4300.

Ver.1.0.18 / 2020.1.22

Fixed hang-up problem when server closed.

Fixed bug about OTA by MNT.

Fixed SQA-4275/4287/4290/4291/4219.

Ver.1.0.16 / 2020.1.15

Added backup of last GPS.

Added backup of PIN number.

Fixed bug about OTA.

Deleted ‘power down type’ of synctrack.

Improved GPS issue.

Ver.1.0.12 / 2020.1.3

Added battery low alert & shutdown threshold.

Fixed bug about command string of synctrack.

Deleted TRV report.

Improved GPS issue.

Ver.1.0.9 / 2019.12.23

First release