Hey! We have already told how to check the used iPhone when buying primarily by external signs. We go further - today on how to check the phone using programs. Such an inspection format allows you to fold the most complete picture about the acquired smartphone, and will warn from problems after purchase.

- How to see if spare parts change?

- Where to watch the serial number and what does it mean?

- How to identify errors and problems of a possible reboot?

Dima will respond to these and other questions.

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