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downgrade firmware from beta to stable

  1. H1581610841311
    Cupcake Dec 16, 2020

    H1581610841311 , Dec 16, 2020 :
    hello,
    i need to downgrade my oneplus 7 i'm currently using the beta version model is gm1903
    the phone is not unlocked and not rooted
     

    #1
  2. shezilferaz
    Gingerbread May 8, 2021


    #2