Tecno RA7 Not making call, Null imei, No baseband
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 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
VIVO RA7 Specifications
- Network 3G
- OS 4.2 Gelly Bean
- Chipset Mediatek
- Storage RAM/ROM 2/8
- Display LPS
- Battery 2430mAh
Tools supported for Tecno RA7
- Unlocktool
How to backup NVRAM on Tecno RA7
- Download the NVRAM file from the link below
- Open the Tool – Unlocktool
- Unlock Bootloader
- Erase NVRAM
- Restore the NVRAM from the file you downloaded
- Unlock bootloader
- Factory reset your phone
