how to implement OTA with GSM module

[manojsai]

we interfaced a simcom 4g gsm module to esp32 through Uart .
I able to implement ota using wifi through native ota example in esp example folder .
My task is to implement ota through internet connectivity through gsm module through http or https method .
I am using default AT command method to communicate gsm module through uart .I am not using ppos method , so i cannot use default esp library or calls to ota
how is the way to proceed my task