Category Archives: Support
How to Solve “PL2303HXA PHASED OUT SINCE 2012. PLEASE CONTACT YOUR SUPPLIER”
Problem: MOBITEK Q24 USB driver v. 3.8.40 is no longer supported. “Device Manager” in Windows 10 will show this error message “PL2303HXA PHASED OUT SINCE 2012. PLEASE CONTACT YOUR SUPPLIER.”
Applies to: MOBITEK Q24 Modem
Solution: use version — v.3.3.0.1 or older versions. Get the older version from
Renaming Column Name will Affect PHPRunner
If column name is renamed via PHPMyAdmin or PHPRunner, the records will be missing from the list page (tellow table) despite there are 3528 records:-
The following solutions DOES NOT work:-
- Remove all fields in stock card’s list page and add them all again.

- Delete current list page and add a new list page.


- Remove the table and add it again.

The only solution is to re-build the PHP project from scratch.
The possible root cause is the PHP project was built using old version (e.g. version 10.3) or trial version of PHPRunner. Then column name is renamed in the new version of PHPRunner, e.g. version 10.4.
How Does PHPRunner Label the Column Name in UI of PHP (List Page)
How to Remove Space using SQL Statement
Problem: there are leading space and trailing space in the records.
Solution: to remove leading space, e.g. ” EKONOR-25M”, use
UPDATE `Stock_Card-20220218` SET `Item_ID`=TRIM(`Item_ID`) WHERE `Item_ID` LIKE '% ';
| BEFORE | AFTER |
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Solution: to remove trailing space, e.g. “EKONOR-25M “, SQL statement (“Trim”, “Rtrim”, “Replace”) CANNOT be used. The only way is to delete it manually.
How To Insert SIM Card into the Modem
Please use your fingernail to push the SIM card in until it is fully inserted and to eject the SIM card out.
How to Set EC20 to Reboot When Internet Connection is Lost
By default, EC20 will automatically try to re-connect to 4G network if internet connection is lost. To perform an automatic reboot instead, follow these steps:-
MOBITEK SMS API version 9.3 is Released
- Release Date: 09-Dec-2021
- Two “Read” methods added:
- SMS.ReadSMS() – read text format SMS
- SMS.ReadSMSText() – read PDU format SMS
- Supports MOBITEK® Q25 4G Modem
More Information
How to Upgrade or Downgrade the Firmware of MOBITEK Q25 4G Modem
Steps
- Run “QFlash v5.1”.

- Select the COM port number of “Quectel USB DM Port” (must use the USB port because serial port does not have “Quectel USB DM Port”).



- Set Baud Rate to 460800.

- Load Firmware Files.


- Upgrade firmware.


- Unplug the USB cable and plug it back. Use “AT+CMGR” or “ATI” to check the firmware version.

Download QFlash version 5.1
QFlash version 5.1 User’s Guide
How to Schedule Win 10 PC to Sleep and Wake-Up
Conclusion
- “psshutdown.exe” and “wosb.exe” are working — can sleep, wake up and stay awake. For each setting refer to:-
- psshutdown.exe Setting in Task Scheduler
- wosb.exe Setting
- “Put PC to Sleep” (rundll32.exe powrprof.dll,SetSuspendState 0,1,0) and “wosb.exe” are NOT working — it can sleep but cannot wake-up.
- “psshutdown.exe” and “Wake-Up from Sleep” (Windows Task Scheduler) are NOT working — it can sleep, wake-up but after 5 minutes will return to sleep, it cannot stay awake.
- Method mentioned in https://www.howtogeek.com/204742/how-to-make-any-computer-boot-up-or-shut-down-on-a-schedule/ (rundll32.exe powrprof.dll,SetSuspendState 0,1,0) is not working in Windows 10 PC to sleep. Once it is slept, it cannot be woke-up.
- Method mentioned in https://www.howtogeek.com/119028/how-to-make-your-pc-wake-from-sleep-automatically/ is not able to wake-up Windows 10 PC.
psshutdown.exe Setting in Task Scheduler
Download the “Sleep using psshutdown.exe” task here …
The argument is –d -t 0 -accepteula
wosb.exe Setting
Download the wosb.exe setting here ….
Place “wosb.exe” in “C:\Users\mobitek1\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup” so that the program can autorun whenever the PC is rebooted.
Test Result
| DATE | DID HPC-8300 SLEEP AT 10 PM using psshutdown.exe? (Y/N) | DID HPC-8300 WAKE UP AT 8:30 AM using wosb.exe? (Y/N) |
| Example of Task Scheduler successfully put PC to sleep. | Example of wosb.exe successfully wake up PC. | |
| 9-Dec | Y | Y |
| 10-Dec | Y | Y |
| 13-Dec | Y | Y |
| 14-Dec | Y | Y |
| 15-Dec | Y | Y |
| 16-Dec | Y | Y |
| 17-Dec | Y | Y |
How to Filter Event Viewer and Save it as a Custom View
Create 2 custom views for “Kernel Power” and “Power-Troubleshooter”.















































