![]() Step Four: cell phone turned off, insert the SD card, while pressing the volume up button + volume down key switch button, the phone automatically enters the upgrade mode, and then begin the upgrade in Figure Step Six: The upgrade process progress bar shows after the finish of the pending progress bar, the phone automatically restart. ![]() Step 5: SD card into the phone is switched on in the main screen, press the Menu key, the system updates -> SD card upgrade -> confirm -> upgrade, backup data, select the backup data upgrade. Step four: Check the root directory of the SD card you dload UPDATA.APP. The step three: copy a large package path UPDATA.APP to the SD card dload UPDATA.APP. ![]() Step one: Prepare an SD card, it is recommended to use Sandisk, Kingstone, or Kingmax, size is recommended that more than 1G. : If SW freeze here more, than 15 seconds - remove cableīoot Ver : Spreadtrum Boot Block version 1.1ĭetected eMMC Flash, Structure detect Ok! Press and hold 'VolumeUp' and 'VolumeDown' keys
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