JIO - F90M HARD RESET FIRST PRESS VOLUME UP + POWER KEY BUTTON WHEN SCREEN SHOW SETTING ICON OR LOGO AFTER PRESS रुo SIGN BUTTON AND JIO BUTTON PRESS AFTER MOBILE RECOVERY MODE ENABLE GO TO WIPE DATA SETTING CLICK YES MOBILE RESET SOME TIME PROCCESS AFTER MOBILE HARDRESET COMPLET MOBILE SOME SHORTCUT FULL FORM 1.PCB - PRINTED CIRCUIT BOARD 2.PFO/PA - POWER FREQUENCY OSCILLATOR 3.RX FILTER - RECEIVE/RECEVER (RECEIVING SECTION) ...
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