Restored smartphones are again repaired devices on sale. The most demand is iPhone 11, iPhone 13 and iPhone 12, as well as iPhone 14 Pro and Pro Max. Such devices are popular due to low price and undergo compulsory verification and certification.
There are two types of restored smartphones: factory (renewed) and old use. Renewed smartphones use proven components, automatically mount it and are guaranteed. The smartphones used may have unreliable details that lead to failures and overheating. And it is impossible to control the quality of the components.
“Therefore, such phones can be broken, constantly restarting, sunbathing and software failures. This is because the human hand cannot replace automatic production and assembly,”
Source: Ferra

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