Brother you are great. Samsung service center was said to need a mother board replacement.cost 7500. After seeing your video I tried this and it's perfectly working and now i am going to sell this phone. M21 model has common 8 Issues. Only heat blower can solve this issue.
Smg galaxy m31s on hoti h logo ke sath but on hone ke baad display pe function show nhi krta bilkul black rhti h screen... Or calling received sab hoti h andaz se
Apki awaj se Mae pahechan gaya SK elactronik apko yad dilane ki koshis karta hun jab maene apko bolatha me Mae apka chela banana pasand karunga to apne bola tha u r my brother
Sir Mera Bhi Ek Samsung ka mobile vaise Hi Ho ke Rakha Hai, Kaise theek Karun bataega please . Aaj first time mein aapka video Dekha hun. Achcha Laga . Kitna kharcha aata hai repair karne mein.
Dull trekar cpu Riboling karne ke bad problem fix ho jaye ga upar se heet marne se kuch din mobile chalta hai fir se sem kandisan ho jaye ga my govind kumar new Delhi se sir my bhi app ka video dekh ta hu sir mera baat ko bura mat manna thanks 🙏🙏🌹🌹🌹