After I upgrade my device, the error occur to the existing apps. What’s the problem?
A : The app that has been used may not be compatible after doing OS upgrade. The app may not support the new OS.
You need to check from the app developer.
Besides, if an error occur after doing firmware upgrade, there may be the problem with the app.
Basically updating firmware does not affect the app, but recommend re-installing the app and trying again.
Thank you for your feedback!
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