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Update to OOS 9.0.4 / Lock Bootloader without PC? via OnePlus 3T

  1. Jakob_Angerer
    Cupcake Oct 25, 2020

    Jakob_Angerer , via OnePlus 3T , Oct 25, 2020 :
    Hey,
    I'm still on 5.0.8 with unlocked bootloader and TWRP recovery and want to update to newest stock for security reasons. Now I've already read that I'll have to lock my bootloader which will erase all my data. I made a backup, so that's not the problem.
    The problem is that USB connection to any PC is not working anymore for a while. So is there a possibility to lock bootloader without connecting to a PC?
     

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