hi i have a k770 tmobile which i bought lasy year
cid53 db2020
i used jdflasher with the files
K770_R8BE001_MAIN_GENERIC_VI_RED53
K770_R8BE001_FS_EUROPE_4_RED53
HB1-06_Gen_CDA102568_207_R2A_GENERIC_CENT_EUROPE
there was no problem with the flashing.now i turn it on and it says incorrect sim card.insert right sim card.smth like that
what do i do now
or can someone give me an easy step by step unlocking method?
thanks in advance