John Steiner is an expert iPhone technician with over 25 years of experience at the highest stage. He has worked with a couple of phone repair centers in the United Kingdom.
He has worked with Express Tech in London and Yell phone unlocking hub also in London. Mr. John is highly respected in the phone repair industry because of his expert knowledge in the business of phone repair.
Apart from his versatile knowledge in phone unlocking, Mr. John also have an in depth knowledge on every part of the cell phone including the hardware and software components of the iPhone.
Mr. John holds bachelor of science degree in computer science from the university of London and he was endorsed by Charles Jackie who himself is highly skilled in iPhone repairs.
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