Official Stock Firmware Now available for the JioFi 3 JMR540 & JMR541 & You can download it from below. by using this firmware you can solve all software Issues with in your JioFi 3 JMR540 & JMR541.
Download Links:
- fastboot driver: Download
- SP Flash tool V5.2 Download
- JMR540_boot_recovery.rar
- JMR541_boot_recovery.rar
How to Flash JioFi 3 JMR540 & JMR541:
- Install fastboot driver on your computer
- extract firmware in platform tools folder
- Put device to fastboot mod
- Remove battery from JioFi 3
- Locate reset pin hole button
- Lay down JioFi 3
- Use Paper Clip / SIM Ejector Tool to press button inside (using sharp object is not recommended)
- Keep pressing button down and insert USB cable
- Release button as soon as all the LEDs in Display turns RED. This means device is in boot loader mode
- connect it to computer
Send Below Code
fastboot erase system fastboot flash system system.img fastboot erase recoveryfs fastboot flash recoveryfs 'filename.img'
Source: abhimortal6@XDA