You tried to flash/root the Note 4X and failed. As a result, the phone becomes dead boot and can't turn on at all. Trying to enter Fastboot and EDL Mode using Deep Flash Cable did not work.
Frustrated! Do not know what to do to make phone back to normal.
Don't panic, you can do a test point with purpose making the device go into EDL Mode condition then flashed with MIUI ROM.
See the location of test point Xiaomi Redmi Note 4X Snapdragon on image attachments below.
Remove back case.
Xiaomi officially locked the bootloader by reasoned to improve security system. Of course not all devices, only the latest. The impact, we can no longer flash device through fastboot. Another method to flash Xiaomi phones is through EDL Mode. But there are still many Xiaomi users who do not know how to get a device into EDL Mode, the reason is enter EDL Mode is more complicated than going to Fastboot. Sometimes special tools are needed.
What is EDL Mode?
EDL stands for Emergency Download Mode. T...
The reason why to do the test point when smartphone Max Mi boot loop or hard brick but the bootloader is locked so can not flash through Fastboot Mode.
Actually, using a deep flash cable can make Xiaomi Mi Max 32 GB Hydrogen into Emergency Download Mode or known EDL. But if you do not have the tool, Test point can be a solution. Connect between one point to another like the picture above.
Unplug the battery socket and connect the smartphone to the PC, then connect the two dots as shown above u...