flash Samsung j2 prime gagal update 100% done

firmware samsung j2 primeKapan dibutuhkan Firmware? Firmware dibutuhkan ketika hp lupa password, lupa pola, bootloop, softbrick, touchscreen kurang sensitive, lemotlelet, hangSamsung Galaxy J2 Prime LTE was announced at 2016, November. Released 2016, November with Android 6.0 (Marshmallow), have chipset Mediatek MT6737T (28 nm) CPU Quad-core