Fifth generation of iPhone. Repair of this device is straightforward, and requires screwdrivers, prying tools, and patience. GSM/CDMA / 16, 32, or 64 GB / Black or White.

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Error 21 after water damage

About few weeks ago my iphone water damaged. I have been trying to repair it since, after some time i got the phone on but it was stuck on boot cycle. After putting it into recovery mode i kept receiving error 21. I got some advice to replace the battery and i did twice.

The first time the phone recovered came on for a while then stated it was over heating, shortly after it died returning to the endless boot cycle.

The second came on for some time allowed me to make a call then died.

I am currently feeling like a keep getting so close then returning to step 1. Any advice?

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1 Answer

In most water damage cases it overheats and causes battery drain and as far as I no there is no cure for this as the board is to badly damaged

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