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my samsung grand duos gt 19082 is not turning on . since 6 months it was like switching off suddenly and when it had turn on it was 100 % battery to 5%. few days ago i had visited a marriage and my phone had switch off and left with 5% battery and after 2 days without battery the phone was like dead. when i had reach my home i charged it ,after 2 days of struggle i was finally able turn it on. it was fine for 2 days with continuous switch offs. and the next day it was dead again . this time it had no sign of charging, i checked the battery in another phone and it was around 80% .today it turned on again but just for 20 minutes.please help me with my problems.
Try another battery? Lithium Batteries have a average lifespan of 2-3 years.