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Introduction |
Use this guide to remove or replace the [linkproduct|https://www.ifixit.com/Store/Android/Galaxy-S21-US-Charging-Daughter-Board/IF358-020?o=1|daughterboard] in your Samsung Galaxy S21. | | | ***For your safety, discharge the battery below 25% before disassembling your phone.*** This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair. If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]]. | | Note: theThe daughterboard and USB-C charging port are soldered together; replacing one component means replacing both.
It’s not necessary to remove both interconnect cables before removing the daughterboard, but it’s highly recommended; doing so will make the procedure much easier. |
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