Galaxy S20 Ultra and Note 20 Ultra have a wireless charging error
On the official and unofficial forums users reported this error and the number of error cases started to increase gradually. The problem is mainly related to wireless charging accessories coming from third parties, after a software update they failed to charge the S20 Ultra and Note 20 Ultra. Not everyone gets this error, and it doesn’t happen with genuine Samsung wireless charging either.
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User reports that wireless charging disconnects charging after only a few seconds. They also say that this problem hasn’t happened on their phones before, with the same third-party charger.
It is currently not clear what update caused this error for the S20 Ultra and Note 20 Ultra. According to reports, the update between September 2020 and October 2020 is the cause of this problem.
The user has tried many ways to fix the error such as restarting the device, clearing the cache or even resetting the device, but it was not possible. Until someone shared on XDA how to fix the error temporarily by turning off the NFC feature. It is not clear when Samsung will release the bug fix update and only a small number of devices will have this error.