1. Sid61's Avatar
    I put the Windows 10 preview on my Lumia 735. It was OK but due to a few things I didn't like I tried to flash it back to 8.1.
    However, the flash failed and now the phone only boots into a red screen. It stays like that for about 3 minutes then reboots.
    This only gives enough time for about 80% of the flashing process, so it fails to install the software. Then the whole process just repeats.
    Any ideas how to overcome this or is it beyond hope?
    04-17-2015 10:36 AM
  2. worldspy99's Avatar
    Use the Nokia tool and not the latest LSRT from MSFT. I had to use the Nokia tool to reset my 635. The new LSRT from MSFT did not work for me.
    Laura Knotek and Sid61 like this.
    04-17-2015 10:47 AM
  3. EBUK's Avatar
    For details on how to flash using the Nokia tool, have a look at this XDA thread:
    [Tutorial] Flash (unbrand) Lumia devices - Post #0 - XDA Forums

    And to find the correct product code for your 735, look here:
    GSM-Forum - View Single Post - Nokia Product Code Listing for NaviFirm+ Download - (Nokia 730, 735, 830 Added)

    Don't worry that the 735 is listed as a 730, the files still flash correctly. I used this method to debrand my L735.
    Laura Knotek and Sid61 like this.
    04-17-2015 11:46 AM

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