I own a Fairphone 4 purchased in February 2022 via esolutions.shop.
Until today I have not had any performance concerns, but since now 1 week, the phone heats very strong (up to 43°C according to the GSam Battery Monitor application) and the battery empties very quickly (reaches 20% after 3-4 hours from 100% full charge) when mobile data and/or wifi are turned on even without using an app.
Have you ever encountered this problem? Can a battery change or system restore solve the problem?
My current OS: Android 11/e/OS 0.23-20220413178020
in addition, when I switch off mobile data and wifi, the battery temperature falls below 30°C and the battery consumption is quite normal