JUMPER T-16 FAIL! emergency mode and no sd card

JUMPER T-16 Serious design flaws,The SD card slot module is not fixed to the chassis in a fixed way when the card is ejected or the battery is inserted or removed.Because the shell collides with the MICRO SD card and leads to the SMD MICRO SD card holder, it is unsoldered at the board. Welding 1~2 solder joints Will enter emergency mode.and more than three solder joints will result in poor depression, no memory card can be read, and NO SDCARD is displayed, because the SD card is used firmware Temporary area, the firmware cannot be updated and the T16 will Failure to use
jumper T16
T-16
jumper T16 fail
jumper T16 no sdcard
emergency mode