It is pretty often when Xiaomi smartphones owners fail to activate SIM cards. The manufacture claim that the activation via Mi Account increases smartphone security. However sometimes users make mistakes which might cause the issue. When registering Mi Accounts via emails one can tap incorrect phone numbers or miss it at all. The issue can arise for bugs in installed firmware, or incorrect phone number identification, or device failures running under custom ROMs. In any case a user gets either “Your SIM card is not activated” or “SIM card activation error” message.
How to activate SIM card on Xiaomi?
To find out the cause of the issue is quite difficult. However it is easy to fix it. We suggest here three methods of how to solve it. All of them are safe for a device. Moreover it is very likely that one of them will work for you.
Method 1. Activate SIM card on Xiaomi official site
It is an easy and effective method if the cause of this issue is an error has made in registering a Mi Account. To employ this method one has to enter Xiaomi official site https://account.xiaomi.com and enter his/her Mi Account login and password. Then open “Security” tab and enter the phone number (check whether it is correct, if it’s not, fix it). The only remains is to tap “Change” and wait for a message on the phone. This message will contain a code which is to enter into the website. Sometimes these actions are enough to activate SIM card.
Method 2. Enter the number manually
This method can work if the cause of the issue is the number identification error. When you get the SIM activation error message, tap on it. You will see a failure SMS message. Then you should keep tapping a repeat button for 3-4 times until phone number input window opens. Enter your phone number in. Hopefully the issue of the SIM activation will be fixed.
Method 3. Activation via mobile operator
Usually a SIM card is activated by sending a system message to another country. This kind of messages are often blocked by cellular network providers. Thus before trying to fix the issue employing this method one better call provider’s tech support service to find out whether this service is available on his/her phone. One more point. One has to have enough budget on his/her account (this service is not free of charge).
What to do if nothing works?
If you are unlucky to get rid of the issue following one of our methods we recommend check your firmware for updates. It is possible that the version you use contains bugs which have been successfully fixed in later versions. In this case you should update your firmware. If this does not help, well, try to get help from mobile provider office or call to their service center.