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Viet - Mac Tech
Viet - Mac Tech, Mac Support Specialist
Category: Mac
Satisfied Customers: 39610
Experience:  Support Mac laptops, desktops, & iPhone, iPad, iPod, etc.
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My iPhone 5 has enlarged all letters and numbers and will not

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My iPhone 5 has enlarged all letters and numbers and will not respond to anything ie switching off or logging in, in fact it is completely dysfunctional.

Hello David! Thank you for your question. I will be assisting you today.

I'm sorry about the issue. Please press and hold both the Power (On / Off) button and the Home button (which is located right below the screen) together for at least 10 seconds, until the Apple logo appears, then wait a bit, then check.

If that does not work, use 3 fingers to double-tap on the screen, and check.
If needed, use 3 fingers to double-tap and hold on the screen, then drag down, then check.

Please let me know. Thank you.
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