Your iPhone has a HIDDEN app that you can only unlock by typing out a code

DID you know there’s a secret app that goes under the bonnet of your iPhone?

TikToker Foztech has revealed how to access it using a secret code.

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All you have to do is open the dial pad and type *3001#12345#*.

Tap the call button and you’ll see a section of the iPhone not accessible through the usual settings.

It’s actually designed for engineers to get in-depth information about your smartphone’s connection.

But it’s still good to have a nose at.

While you may not be able to make sense of most of it, there are some useful parts.

For example, try to find a bit called LTE RSRP, which stands for Reference Signal Received Power.

This shows your true signal strength.

It usually goes from -140 to -40, and the closer you are to -40 the better.

This is actually the data that is used to work out what your signal bar shows.

But most of the other features are meant for techy types and aren’t much use to everyone else.

In fact, the so-called Field Test Mode has been lurking around for years.

Android owners can find theirs by going to Settings > About phone > Status > SIM status > Signal Strength.

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In other news, the naughtiest emoji combinations have been revealed.

Tinder has revived the classic ‘blind date’ experience with a virtual twist.

And TikTok has announced new rules, banning users who deadname or misgender others.

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