This document is a manual for customers to use the Android system ril driver developed by our company. It aims to guide customers to quickly and easily use, install and debug our equipment and quickly launch products. The main contents include driver instructions, driver integration methods, debugging methods and analysis of common problems.
This manual provides developers and testers with detailed instructions for using ZTE's Android system RIL driver. It covers driver functionality, required components, integration procedures, and system configuration such as init scripts and PPP daemon setup.
The document also includes debugging techniques, log‑capture methods, and a troubleshooting section that addresses common issues like device detection failures, PPP daemon startup problems, and incorrect modem port settings. This manual is written in Chinese.
| Supported Function – Data | Yes |
|---|---|
| Supported Function – SMS | Yes |
| Supported Function – Call State | Yes |
| Supported Function – Voice | Yes |
| Supported Function – Video | No |
| Supported Function – MMS | No |
Possible reasons include missing device detection, PPP daemon not started, incorrect modem port, or APN not set. Follow the corresponding troubleshooting steps in sections 5.1‑5.5.
Edit the init.gprs‑pppd script and the initrc script to set the correct ttyUSB device for the modem.
In the kernel configuration, enable "USB driver for GSM and CDMA modems" under Device Drivers → USB → Serial Converter Support, then rebuild the kernel.