If your Lava Z70 remains dead after trying the Care File, the eMMC (internal memory chip) may be physically damaged. In that case, a hardware ISP (In-System Programming) flash is required.
Google introduced FRP as a security feature. If you hard reset your Lava Z70 via recovery mode without removing the Google account first, the phone locks itself. Bypassing this requires writing a specific FRP file or using a tool to reset the protector partition. If your Lava Z70 remains dead after trying
Turn off the device and connect it to the PC via USB while holding the Volume Down key to ensure detection. If you hard reset your Lava Z70 via
For hardbrick recovery without hardware, proceed with only if you have soldering/expert skills. For hardbrick recovery without hardware, proceed with only
Click the Download button. Turn off your Lava Z70, hold the Volume Up or Down button, and connect it to the PC.
If the device is dead, use the "Firmware Upgrade" mode rather than "Download Only" to ensure all partitions are rewritten.