NFCWriter – Unlock iPhone NFC Reader

Another day, another tweak. Elias Limneos has just released his highly anticipated NFC tweak. Here’s how it works.

How NFCWriter Works

As you know, Greek developer Elias Limneos unlocked iPhone’s NFC chip a while back. To make use of the NFC chip, he has just released a tweak called NFCWriter.

The developer also shared a new video on Youtube that aims to educate users about the working of this tweak.

NFCWriter Cydia tweak removes Apple’s limitations and maximizes the potential of your iPhone’s NFC chip.

For the uninitiated, NFC is a new technology that allows devices to wirelessly communicate data. All you need to do is simply purchase some NFC tags and store their data on your iPhone.

With this tweak, you can replace NFC devices with your iPhone. Your iPhone will now effectively become your NFC tag. For example, you can use it in your office or unlock your house with your phone.

Here’s a video demonstration of this amazing Cydia tweak.

NFCWriter Cydia Tweak

Posted by Yalu Jailbreak on Friday, June 30, 2017

You can also use NFCWriter for its “cool factor” to impress your friends. As NFC gets more popular, this tweak will become even more important. On the whole, this tweak is huge because it unlocks Apple’s secure NFC chip.

Can I use my Debit Card with NFCWriter?

When you scan your debit card, the tweak will display 2 tags. Here’s what these tags signify –

  • First tag – This tag belongs to the original debit card with your debit card number. This tag can be emulated.
  • Second tag – This tag is present only for security reasons. This tag can not be emulated.

Whenever you use your debit card, the card reader scans both tags. Since the second tag is not emulated properly, your payment will not go through.

The developer is still working on extended support for card emulation. Once Elias adds support for the second tag, your payments will start working.

Here’s a list of devices compatible with NFCWriter Cydia tweak.


  • iPhone 6S
  • iPhone 6S Plus
  • iPhone SE
  • iPhone 7
  • iPhone 7 Plus

If you own an iPhone 6/5S or below, you are out of luck. However, the developer plans to add iPhone 6 support in future versions because it has NFC support.

How to Use NFCWriter Cydia Tweak

Step 1 Scan your card/tag. The tweak will now display several pieces of data about the tag.

Step 2 Copy the tag’s Serial Number.


Step 3 Enter its serial number in the Tag Emulation section.


Step 4 Tap the Start Tag Emulation button.


That’s all there’s to it. Tag emulation will now become active. You can now start using your iPhone instead of your tag.

Download NFCWriter Tweak

If you are a user who is into home automation and makes use of NFC on a daily basis, this tweak is a must-have. If you don’t have any NFC-enabled devices, there’s no point is using NFCWriter.

It does not support iOS 9 firmware but the developer is working to make it compatible. Elias has also developed a proof-of-concept for iOS 11. It will likely be patched by the next updates, so get downloading now.

NFCWriter is available for download on BigBoss Cydia repo for $3.99. It is compatible only with iOS 10.

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One Response

  1. Luca R August 30, 2017

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