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FW Release Bulletin: ST4940B - v1.0.37

17 Jun, 2021

Release Notice Date:  2021/06/17

Production Release Date:  2021/06/02

Expected Maintenance Duration:  NA

Release Type: Recommended Update - All Carriers

Change Log:  

V 1.0.37 (M.2.0.29) 2021.6.2 – Official Release
(MCU) Fix the issue on which MCU enters low-battery mode when waking up
from deep-sleep

V 1.0.37 (M.2.0.26) 2020.8.6 – Official Release
-   Fix the SW bugs found on SQA’s test regarding MTK OTA

V 1.0.36 (M.2.0.26) 2020.8.5
-   (MCU) Abnormal powered-off problem is fixed
-   Verification command for MNT parameter is added.
-   Verification command for Profile of customer verification is added

V 1.0.35 (M.2.0.23) 2019.12.4
-   SW bug which can’t get network date/time is fixed when GPS time is not invalid

V 1.0.34 (M.2.0.23) 2019.12.2
-   Fix the SW bugs found on SQA’s test related with AES128 encryption

V 1.0.33 (M.2.0.23) 2019.11.27
-   Support AES128 encrypted reporting and can be configurable.
-   Date/Time is acquired from cellular network when it can’t sync with GPS time

V 1.0.30 (M.2.0.23) 2019.8.21
-   Response problem for adding circular geofence is fixed
-   Backup report bug is fixed when backup server is configured as DNS address
-   SIM PIN is not verified with correct PIN no when modem is abnormal state. And device keeps PIN 
Lock state until SIM PIN will be changed. This sw bug is fixed


V 1.0.29 (M.2.0.23) 2019.7.19

-   In specific environment, network cell info is not updated and report as ‘0’. This sw bug is 
fixed.
-   (MCU) Auto booting is supported when charger is connected on low-battery
V 1.0.28 (M.2.0.22) 2019.7.10 – Official Release
-   In specific environment, network cell info is not updated and report as ‘0’. This sw bug is 
fixed.
-   As receiving command from server in the middle of OTA, OTA is terminated and return timeout 
error. This abnormal procedure is fixed.
-   (MCU) MCU recovery function is fixed when entering deep sleep.


V 1.0.27 (M.2.0.21) 2019.7.1
-   On wake up from deep-sleep under no-gps or weak-gps area, the problem sometimes not acquiring 
current time is fixed.
-   Function name is changed : Emergency Alert 🡪 Motion Detection Mode.
-   Default URL/Port of maintenance server is changed.
-   (MCU) Added protection against abnormal rtc time setting.

V 1.0.26 (M.2.0.20) 2019.6.21
-   After wakeup from deep-sleep, GPS time is rarely not synced. This SW bug is fixed.
-   (MCU) Some factory test function not operating is fixed.

V 1.0.25 (M.2.0.18) 2019.6.19
-   Fix the problem not indicating state of device via LED after entering deep-sleep
-   SIM check problem is fixed when SIM is locked with PIN.
-   Improve GPS positioning filter.

V 1.0.24 (M.2.0.17) 2019.6.14
-   Fix the problem regarding report scheduling function under no cellular network.
-   Fix the problem of not recognizing UDP ack from server in specific case.

-   Fix the SW bugs found on SQA’s test

V 1.0.21 (M.2.0.17) 2019.6.6
-   Fix the problem of handling for received data from server.

V 1.0.20 (M.2.0.17) 2019.6.3
-   Fix the SW bugs found on SQA’s test

V 1.0.19 (M.2.0.16) 2019.6.1
-   PRM Report can be enabled for informing of device IP assigned from PDP when UDP connection is 
established.
-   Fix the SW bugs found on SQA’s test

V 1.0.17 (M.2.0.16) 2019.5.5
-   Fix the problem, specific gps data is intermittently initialized after wakeup from deep sleep.
-   Fix the SW bugs found on SQA’s test.

V 1.0.16 (M.2.0.15) 2019.5.3
-   Fix the SW bugs found on SQA’s test.

V 1.0.14 (M.2.0.14) 2019.5.2
-   File system protection is implemented when device is powered-off
-   Fix the problem not entering deep sleep mode in specific case.
-   Fix the SW bugs found on SQA’s test.

V 1.0.13 (M.2.0.13) 2019.5.1
-   Fix the SW bugs found on SQA’s test.

V 1.0.12 (M.2.0.12) 2019.4.29
-   Fix the problem not being registered VZW network.
-   Improve sub-mcu functionality for handling low-battery

V 1.0.11 (M.2.0.11) 2019.4.27
-   Fix the SW bugs found on SQA’s test.

V 1.0.10 (M.2.0.11) 2019.4.26
-   Change PDP authentication type list (PAP/CHAP/Auto/None).

V 1.0.9 (M.2.0.10) 2019.4.25
-   Fix the SW bugs found on SQA’s test


V 1.0.8 (M.2.0.10) 2019.4.24
-   Fix the problem not responding LED status when power key is pressed shortly.
-   Improve battery level detection.


V 1.0.7 (M.2.0.9) 2019.4.23
-   Fix the SW bugs found on SQA’s test

V 1.0.6 (M.2.0.8) 2019.4.22
-   Fix the SW bugs found on SQA’s test


V 1.0.4 (M.2.0.6) 2019.4.17
-   Function for turning on/off via magnet is added.


V 1.0.3 (M.2.0.5) 2019.4.10
-   Feature complete version

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