3G/4G Product
| SUBJECT | VIEWS | FAQ TYPE | MODEL | LAST UPDATED | DETAIL |
|---|---|---|---|---|---|
| Firmware updates steps | 3 | Update OS/Firmware/Software | 2024-12-18 | ||
| Voice call were working before, but why doesn't it support the voice function now? | 6 | Troubleshooting | 2024-12-18 | ||
|
Please refer to the link below:
Voice call were working before, but why doesn't it support the voice function now? |
|||||
| How to solve the error of "Can not use COM xx" or "System cannot find file" when uploading files using 7188.exe? (G-451x Series) | 2 | Applications | 2023-11-14 | ||
|
Please refer to the link below:
|
|||||
| G-451x Series How to upload files? (G-451x Seiies) | 9 | Applications | 2023-11-14 | ||
|
Please refer to the link below:
|
|||||
| The module cannot register to the telecommunications network, but the SIM card has displayed Ready, but AT+COPS cannot register normally. How can I confirm? | 11 | Applications | 2021-12-01 | ||
| The module has been used for a period of time, and the SIM card can be registered, but suddenly it can send text messages sometimes, sometimes not. How can I confirm the problem? | 4 | Applications | 2021-12-01 | ||
| Through SCADA software and module communication, one of the two devices can send text messages, and the other can communicate but cannot send text messages. How can I confirm the cause of the problem? (GTM-204M) | 3 | Applications | 2021-12-01 | ||
| The module can’t recognize the SIM card, and the AT+CPIN command will reply to ERROR. The result is still the same after changing the SIM card and rebooting. How can I confirm? (GTM-204M) | 2 | Applications | 2021-12-01 | ||
| I burned the RTU Firmware into the G-4514, why can't RTU Center see my device after the setup? (G-4514 Series) | 10 | Applications | 2021-11-29 | ||
|
Please refer to the link below:
I burned the RTU Firmware into the G-4514, why can't RTU Center see my device after the setup? |
|||||
| I use GSM.lib to make a program, and it run normally onG-4500-2G. Does it can directly move to G-4513-3GWA? | 2 | Troubleshooting | 2021-11-12 | ||
|
Please refer to the link below:
I use GSM.lib to make a program, and it run normally on G-4500-2G. Does it can directly move to G-4513-3GWA? |
|||||
