The EDL test point is typically a set of pins on the Nokia C31’s circuit board that can be shorted together in order to put the device into emergency download mode. In EDL mode, the device can communicate with a computer and receive new Firmware or software through a specialized EDL Flashing tool.
Note:
- do at own risk
How to Reboot Nokia C31 to EDL Mod:
- Install SPRD usb driver on your computer
- remove back cover of the phone
- search the test point as show in below image
- keep shorting the test point using a copper wire or tweezer and Insert usb
- check USB COM device under COM Port in device manager
Nokia C31 Test Point Image
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