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iPhones renew


renewed by Grade Zero

The iPhone 7 is the biggest and thinnest of all iPhones. A perfect blend between metal and glass, the design of a renewed iPhone has been reviewed to bring an ever more qualitative user experience. Efficient and with a modern design, a renewed iPhone, like the iPhones 6s Plus, 6, 5, 5s, 5c and 4s, will satisfy the most demanding users of smartphones.

June 6, 2017iPhone 4S


June 6, 2017iPhone 5


June 6, 2017iPhone 5 C


June 6, 2017iPhone 5 S


June 6, 2017Galaxy S3


June 7, 2017Galaxy S4


June 7, 2017Galaxy S5


June 7, 2017Galaxy S6



Aesthetic compliance

Phone communication test

Battery check and warrantee

Check on all humidity sensors

Network operation: GSM – Wifi – Bluetooth

Connection: supply – synchronisation – headset

Test of all keys

Test of vibrator

Test of photo camera front/rear

Test of micro and speaker

Bacterial treatment

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