Wiko A57 Call and Network error
NVRAM is a nonvolatile random access memory that can save data even with no power or device on that can retain its contests as you switch off a device.
NVRAM consists of SRAM and EEPROM
NVRAM on the mobile phone is Flash storage that can be flashed with respect to mobile firmware and can be changed according to different phases of testing
NVRAM CONTENTS
- Data wifi and Bluetooth (configuration information and services )
- IMEI &MEID (Protocol information)
- Baseband (Calibration changes )
- MAC Address
- APN information
- RAT information
NVRAM FIX
- Not registered on a network
- Emergence call only
- Invalid sim
- Not making calls
Tool Support for WIKO A57
- NCK Tool dongle & Box