It's up to everyone to own this technology. NFC actually means: Near Field Communication
Where can I get NFC tags?
It is recommended to buy universal NFC tags to avoid compatibilities issues like the NTAG21x.
Is my device NFC ready, and how do I activate it?
How do I read NFC tags?
How do I write information?
When you're done, tap “Write” and slide the NFC Tags along the back of your device, it's that simple.
How can I write an URL on my NFC tag ?
How do I write tasks?
Why can’t I read (or write) my NFC tag ?
- Your device is not compatible with this sort of NFC chip
- Your NFC chip is read-only, protected by password or locked
- Your NFC chip is corrupted
- Your chip is not a NFC chip (RFID doesn't mean NFC)
- 42 (universal answer)
Why does my NFC tag indicate “Not supported” ?
Eg: Your device can’t read Mifare Classic chips.
I can't write to my NFC Tag.
You can check with the “Read” tab if an NFC tag is supported.
You should favour tags like the NTAG21x or the Topaz512.
However, you can use our additional plugin NFC Tools Plugin - Reuse Tag : https://play.google.com/store/apps/details?id=com.wakdev.nfctools.plugin.reuse for re-use / re-tag your NFC tags which are read-only or not supported by your device
Once I lock an NFC tag, can I go back?
How can I set a password on my NFC tag ?
Here is a how-to video to explain how password protection works : https://youtu.be/rDgQgOpm8g8
Is the password protection secure ?
The range is 00 00 00 00 to FF FF FF FF, it means 4 294 967 296 possibilities.
For example, on an NFC reader which takes 200ms to communicate with the chip, it will take approximately 27 years to brute force the password.
Is it possible to save my NFC cards (bus, bank, door, ...) inside NFC Tools and use my device to emulate those cards ? Is it possible to copy / emulate my access card ?
Imagine if everyone could copy your access cards or your credit cards, It would be very dangerous.
With NFC Tools, you can only emulate NDEF record located in “Write” tab.
Is it possible to unlock my device with my NFC tag ?
Go to your device settings - Security - Smart Lock.
What's the difference between the “Tasks” and the “Write” tabs?
Why do I need NFC Tasks for my tasks to work?
Why a separate app?
Can someone else run tasks recorded on my NFC Tag?
What happens if someone who doesn't have NFC Tasks on their device try?
Once the app is installed, they'll be able to read the NFC tag and run the tasks.
Why are some tasks only running on a rooted device?
So, in order to put your device in Aeroplane mode you need to have root access on your device.
These tasks are highly dependent on your device software and hardware. It may sometimes not work at all.
Why can’t I use all the tasks located in the Root category ?
How can I edit my NFC tag records or tasks ?
Then you can edit, add or remove records / tasks and write again on your NFC tag.
Is it possible to control another app with NFC Tools ?
But if your app doesn’t offer any way to accept external control, it’s not possible.
Tasker doesn't have android permissions?
Any more questions?