• if you are unable to turn your phone on after installed, please reinstall the ribbon cable, check its connector and clip it hard. Next, charge your phone for 20 minutes or longer. Then try to turn on your phone.
• not open, crush, puncture. short external contacts or dispose in fire or water. Risk of fire, explosion and burn. Do not open, crush, heat.
• Next, charge your phone for 20 minutes or longer. Then try to turn on your phone.
• Original EB-BG991ABY Battery for Samsung S21 5G SM-G991B SM-G991B Battery

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