Android Oreo has NFC bug - Xiaomi Mi 5s Questions & Answers

In RR5.8.5(Android7.1.2) and MIUI, I can use an APP CEP pay to pay for Chinese traffic union bus,it use HCE wallet. But in Oreo,i tried a lot roms,such as AEX,Comsic and RR6.0,but it can't work anymore. Then in found that my phone always stay at NFC cardreader mode,even if I set CEP as default NFC app. What's more, when my friend's Xiaomi 6 closed to my 5s and he has Xiaomi wallet bus card(official in Chinese MIUI),his card will be wake up,that is a reason that I found my phone always in card reader mode. Dose someone know why is this?

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Samsung Ezon NFC Unlock

I have the door lock and have some NFC stickers which work great
I have the Note and am trying to figure out how to use it with the door lock, but i cant get it to work i have NFC on and downloaded some apps
I put the Ezon in setup mode and the stickers register fine but not the phone, so im sure something is not right, but have no idea which
Won't work..
xboxhaxorz said:
I have the door lock and have some NFC stickers which work great
I have the Note and am trying to figure out how to use it with the door lock, but i cant get it to work i have NFC on and downloaded some apps
I put the Ezon in setup mode and the stickers register fine but not the phone, so im sure something is not right, but have no idea which
Click to expand...
Click to collapse
As I understand it, the only way to get your phone to unlock the Samsung Ezon is to be using Google Wallet and use the Loyalty Cards feature. I don't think the Note has Google Wallet so you might be out of luck. I have been trying to do the same thing for months now with a One X, One, S4 and Nexus to no avail.
from a google search I found this quote
your mobile phone to be your access key. This would then allow you to control when your card is active and when it is not. If you have an Android device that supports Google Wallet, you’re all set. The trick is to have Google Wallet installed with at least one “Loyalty Card” setup in the wallet, then make sure the card is enabled. Doing this enables NFC card emulation on your device which will present a UID to the EZon when it is within range. This type of card emulation is different from your payment information (so you don’t have to worry about the lock charging your bank account each time you unlock it). You can then enroll your phone just like a physical access card to the EZon and use your phone to unlock the device. The added benefit is that when your phone’s screen is turned off, card emulation is off as well which makes things a lot harder to tap and then clone.
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Click to collapse
..
I just installed my Ezon 6020 on saturday, and I havent been able to get it to detect me phone using the Commonwealth bank contactless app D:
it doesnt detect my usual credit cards either which surprised me...
did you find anything OP ?
any updates on this?

Is there any alternative of Samsung and Google pay?

here in Cyprus where I live, 97% of shops supports NFC payments, but rather than carrying my visa card, I prefer using my phone
I tried setting up google pay from apk mirror and installed it, the app said that my card is not supported (there is not a single bank that supports google pay here)
I created a (.boon contactless payment) which its a virtual card that supports google pay and I was able to set it up but google pay started uninstalling itself from my phone for no reason (even after I was able to add a card on it)
then I realized that I changed device and now I have the s9 (it is not rooted or anything else just yet)
so I went ahead to download Samsung pay! ...... I wasn't able to download it neither from google store or from Samsung store
so I went to download it from apk mirror again and the results are almost the same it doesn't allow itself to connect to the internet expect to show me the promotions and notices
I wasn't able even to connect my PayPal account
is there any alternate app that gonna give me the ability to pay in stores with my phone?
and sorry for my bad English, Thanks!
Barclaycard have their own payment system which uses the NFC it's separate to Google and aamaung

NFC not working with French public transit card (navigo card) ?

I have the official global version with last official update. In France we are using a NFC public transit card which informations can be loaded on the phone using this official app : "vianavigo" on google play.
It's working fine with my old Xiaomi Mi 5 when i make contact between the card and and the back of the phone, i can see details hosted on the card (like the validity date ect...). On the Redmi nothing happen when i make contact between the card and the phone, is it a problem with NFC hardware on the phone ? What is the difference with the Mi 5 ?
I'm supposed to be able to pay my ticket and load it into the card just with NFC of the phone and the app (its working fine on Mi 5).
checkflow said:
I have the official global version with last official update. In France we are using a NFC public transit card which informations can be loaded on the phone using this official app : "vianavigo" on google play.
It's working fine with my old Xiaomi Mi 5 when i make contact between the card and and the back of the phone, i can see details hosted on the card (like the validity date ect...). On the Redmi nothing happen when i make contact between the card and the phone, is it a problem with NFC hardware on the phone ? What is the difference with the Mi 5 ?
I'm supposed to be able to pay my ticket and load it into the card just with NFC of the phone and the app (its working fine on Mi 5).
Click to expand...
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Not sure what its called in French but go to Connection & Sharing > NFC > Secure element position and Select "HCE Wallet". Then try again.
syl0n said:
Not sure what its called in French but go to Connection & Sharing > NFC > Secure element position and Select "HCE Wallet". Then try again.
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I dit it already but still nothing happened when i make contact between the card and the phone. It's very strange because i'm sure NFC is working as i use it every day with my Sony headset, i make contact and the headset switch on and connect to the phone via bluetooth.
checkflow said:
I dit it already but still nothing happened when i make contact between the card and the phone. It's very strange because i'm sure NFC is working as i use it every day with my Sony headset, i make contact and the headset switch on and connect to the phone via bluetooth.
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Click to collapse
I tested the connectivity with the nfc test tool from the phone developer menu : a bank credit card is detected by the phone, but not my Navigo card
I have read somewhere that this phone is equiped with NXP-SN100T NFC chip. Western european transit cards are using Calypso NFC technology.
Anyone knows if this chip is compatible with Calypso NFC cards ?? Or only compatible with Mirfare cards ?

NFC enabled but can't read

Hello, my mi mix 2 (12.0.1 Global) can't read nfc anymore but I can't relate if it come after an update or an another event.
NFC is enable in settings, the application for payment as correct autorisations over NFC, but there is no reaction when presenting a NFC terminal or card.
I would prefer avoiding system restore if possible.

Question Pixel 6 Pro NFC Bank Payment Problem

Hello people my bank nfc payment doesnt work it's give me error message while to open mobile payment option in bank app. I disabled developer options and OEM locked has anyone same problem with me?
birdie85 said:
Hello people my bank nfc payment doesnt work it's give me error message while to open mobile payment option in bank app. I disabled developer options and OEM locked has anyone same problem with me?
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Are you using Google Wallet for tap to pay?
If so, your bank might not have that option (vs Samsung Pay &/or Apple Pay).
I know that my bank doesn't use Google Wallet, but, does use Samsung & Apple's options, I'd start there.
Find supported payment methods - United States - Google Wallet Help
Important: To make contactless purchases with Google Wallet, you must have an Android phone with Near Field Communication (NFC). You can use your phone to pay wherever contactless payments are accept
support.google.com
In my opinion payments and setting up cards have been garbage since google switch back to google wallet, it is better in Sept update
In my country doesn't support Google wallet... İ just want to pay with my bank nfc tap payment but doesn't work i get contact with my bank customer support. But they don't understand the problem... İ think problem about my pixel 6p. But i can't find the solution
birdie85 said:
In my country doesn't support Google wallet... İ just want to pay with my bank nfc tap payment but doesn't work i get contact with my bank customer support. But they don't understand the problem... İ think problem about my pixel 6p. But i can't find the solution
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I believe you have just answered your own question. Your country doesn't support Google Wallet and so there probably isn't a solution (unfortunately) =/
I am not asking Google wallet payment ı am asking bank nfc payment servis these are different payment servises. I can't use my bank nfc payment servis beacuse of some phone settings i think and ı am searcing the answer that's the point...thanks
birdie85 said:
I can't use my bank nfc payment servis beacuse of some phone settings i think and ı am searcing the answer that's the point...thanks
Click to expand...
Click to collapse
Then just make sure that you have NFC enabled in the settings. Also, be sure to set your banking app (or whatever app that should allow you to make NFC payments) as your default payment app in the settings.
You can follow Google's instructions for this here:
Make contactless payments with your Pixel phone - Pixel Phone Help
You can use tap and pay for purchases at retailers that accept contactless payments. Important: Some of these steps work only on Android 11 and up.
support.google.com
Thank you for your support. I think the problem source is bank application...
Its not just the bank application, the contactless devices need to also support it. You need to contact your bank to ask them where their NFC bank app is supported for payments
Strange what does it show when you try to pay via nfc. Bank app does it work? Maybe you need to enable payments via bank app self and in android settings? I don't know but very strange. Maybe in the strangest, weirdest way there are white list in the app which devices supported and need update.
@birdie85 It more than likely has to do with Google changing security APIs, a lot of A13 devices have been running into the problem. Look for Play Integrity API Checker on the Play Store and run it. If you don't pass Device and Basic Integrity (minimum), you can't do wireless payments. YASNAC doesn't have the new PLAY API checker so it throws a result that won't help at the moment. If you're rooted and unlocked using Zygisk there is a walkthrough that resolved my problems.
Not much help this i know but my bank does not support Google Pay so i have to use their own online banking app and its always worked fine so maybe that rules out the phone being the problem.

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