What should I do if the Xiaomi phone shows that it is not activated after changing the card?

After replacing the card, you need to enter a password, and the password can be activated if it is entered correctly.

Specific workarounds:

1. The mobile phone number or email number of Xiaomi mobile phone is Xiaomi's. The system randomly assigns a user ID when registering.

2. At this time, the password is also set by the user himself, and he needs to remember it.

3. If you forget the password, you can go to Mi.com or Mi Cloud to retrieve the password.

Call the telecom company**, ask for the "SMS center number", the other party will send you a text message, in Settings - Application Center - SMS - Advanced Settings - SMS Center Number, enter. Then it's activated. Because the Xiaomi mobile phone has a protection function, you need to enter the Xiaomi password on the original mobile phone to change the card, and you can activate the mobile phone by directly entering the password.

Generally, Xiaomi is registered with a mobile phone number or email number, and the mobile phone number or email number is Xiaomi's. After registration, the system will randomly assign a set of numeric IDs to the user, so as to avoid the user's mobile phone number or email number being leaked, and only a set of numbers will be displayed on the mobile phone.

If Xiaomi is not registered by the user on the Xiaomi network, and a set of digital IDs does appear on the mobile phone, in fact, this is also registered by the user himself. When the user uses the Xiaomi mobile phone for the first time, he continuously clicks the next step in the boot step, without careful operation, the system registers by default with the mobile phone card inserted on the mobile phone and automatically sets the password. Users can go to Mi.com or Mi Cloud, click Forgot Password, and use their mobile phone number or email number to retrieve the password.

If the mobile phone number and email address used during registration are not used, or the mobile phone is not the user's own, but there is Xiaomi on the mobile phone, it is recommended to go to Xiaomi after-sales service if you do not know the password.

If you are using a Unicom mobile phone SIM card that cannot be used normally, there may be the following reasons:

1. If the metal contacts of the SIM card and the mobile phone are not in good contact or the battery is loose, it is recommended that you take off the SIM card and reinsert it into the mobile phone.

2. The SIM card does not match the mobile phone, it is recommended that you put the SIM card into someone else's mobile phone to try it, if it can be used normally, please bring the repair card and mobile phone to the mobile phone after-sales service provider to test the mobile phone; If it cannot be used normally, it is recommended that you bring a valid ID card and SIM card to the Unicom business hall to test the SIM card.

Going to the Xiaomi forum didn't solve the problem, and the solution adopted later was to restore the factory settings.

I finally got it.

Analysis of the card to be activated after the change, but the reason for the inactivation, may be that Xiaomi has an automatic synchronization function, the function will text messages, ** records, etc. are all automatically synchronized to a mobile phone number (a specific SIM card), and the card is combined with Xiaomi Tsai Wei, which only recognizes that card, and sends an activation SMS to the card after changing the new card, and the new card naturally fails to be activated.

It seems that the only solution to this problem is to do a factory reset, pay attention to the backup when resuming the search, and do not delete the application.

data. But the system settings have to be redone.

This situation generally occurs when Xiaomi's network SMS function is turned on, that is, to turn on the function, you need to use the SIM card to send an activation SMS to Xiaomi's server, if it is not set up or there is a problem with the server, the activation will fail. The solution is as follows: 1. You can enter the SMS interface, click the menu key, click to enter the SMS settings interface, and click MIUI free network SMS after entering, and turn on the function.

2. If it still can't be solved, you can try to change the SIM card, and then re-argue the liquid to start the phone and try again. 3. When the above methods cannot be solved, it is recommended to directly contact Xiaomi's after-sales service to conduct a comprehensive inspection and repair of the mobile phone.

Questions. The data card cannot send SMS.

The data card cannot send text messages.

Questions. If you can't send SMS messages, you can't use this card?

The traffic card is the same as the ordinary mobile phone card. Steps: 1. Put the traffic card into the mobile phone card slot and install it.

2. After installing the data card, turn on the phone and click Settings. 3. Go to the Setup Tomb page and click on the Dual SIM and Mobile Network option. 4. After entering the dual SIM and mobile network options, first set up a card for the Internet empty chain, and then click to turn on mobile data.

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The data cannot be turned on if the SMS activation fails.

This situation generally occurs when Xiaomi's network SMS function is turned on, that is, to turn on the function, you need to use the SIM card to send an activation SMS to Xiaomi's server, if it is not set up or there is a problem with the server, the activation will fail. The solution is as follows: 1. You can enter the SMS interface, click the menu key, click to enter the SMS settings interface, and click MIUI free network SMS after entering, and turn on the function.

2. If it still can't be solved, you can try to change the SIM card, and then re-argue the liquid to start the phone and try again. 3. When the above methods cannot be solved, it is recommended to directly contact Xiaomi's after-sales service to conduct a comprehensive inspection and repair of the mobile phone.

If you are facing a situation where you are unable to use your SIM card, it is recommended that you:

1.Restart your phone;

2.Replace SIM card attempt;

3.Factory reset attempt after backup;

4.Flash attempt;

5.Inspection of maintenance outlets.

The Xiaomi phone is a MIUI platform smartphone developed by Xiaomi Technology and manufactured by IAC and Foxconn. Xiaomi's logo is a "mi" shape, is the abbreviation of mobile Internet, Xiaomi mobile phone is a high-performance audiophile smartphone developed by Xiaomi company (full name Beijing Xiaomi Technology Co., Ltd.), adhere to the design concept of being born for fever, and adopt an online sales model.

Hi! Because the other number you used on your mobile phone is different from the one bound to the Xiaomi account in your mobile phone, the mobile phone prompts you to reactivate the cloud service, and you click on the message to confirm the activation.

Hello: Xiaomi mobile phone changes to other cards and needs to be activated because Xiaomi mobile phones have protection functions, which are required by Xiaomi system;

To change the card, you need to enter the Xiaomi account password on the original mobile phone, and you can enter the password directly when activating the mobile phone, which is very normal.

If the activation keeps failing, we recommend that you try the following:

Whether the SIM card is inserted correctly.

Whether the wrong SIM card is inserted, such as the standard version inserts the telecom SIM card, etc.

Go to Hardware Detection to see if the SIM card is working properly (enter * * on the dial screen). If the SIM status is normal, go to step 5, or if the status is unknown, go to step 4.

Try to replace a different SIM card, if the status is still unknown during hardware testing, it is recommended to go to the repair point for testing; If the detection status is normal, it is recommended to go to the carrier to replace a SIM card (the SIM card may be aging).

Because the Xiaomi mobile phone has a protection function, you need to enter the Xiaomi account password on the original mobile phone to change the card, and you can activate the mobile phone by directly entering the password.

1. The general Xiaomi account is registered with a mobile phone number or email number, and the mobile phone number or email number is the Xiaomi account. After registering an account, the system will randomly assign a set of digital ID accounts to the user, so as to avoid the user's mobile phone number or email number being leaked, and only one set of digital accounts will be displayed on the mobile phone.

2. If the Xiaomi account is not registered by the user on the Xiaomi network, and a set of digital ID accounts does appear on the mobile phone, in fact, this is also registered by the user himself. When the user uses the Xiaomi mobile phone for the first time, he continuously clicks the next step in the boot step, without careful operation, the system registers the account with the mobile phone card inserted into the mobile phone by default and automatically sets the password.

Users can go to Mi.com or Mi Cloud, click Forgot Password, and use their mobile phone number or email number to retrieve the password.

3. If the mobile phone number and email address used when registering the account are not used, or the mobile phone is not the user's own, but there is a Xiaomi account on the mobile phone, it is recommended to go to Xiaomi after-sales service if you do not know the password.

Many due to the new upgrade of the SIM card, the new SIM card does not have an SMS center number, so the sending of SMS is unsuccessful and the activation fails, the setting method: SMS, settings, advanced settings, and setting the local "SMS center number" will be successful.

On February 24, 2016, Xiaomi released the Mi 4 upgraded version of the Mi 4S, equipped with a 64-bit Snapdragon 808 processor, full Netcom, and a stylish 5-inch screen phone equipped with fingerprint recognition.

The resolution of the Xiaomi mobile phone 4s is 1920x1080 pixels, the screen size of the Xiaomi mobile phone 4s is 5 inches, and the design of the ultra-narrow bezel of the Xiaomi mobile phone 4s will be equipped with a Snapdragon 805 processor.

The Xiaomi Mi 4S is powered by the flagship Snapdragon 808 processor platform, and its 64-bit architecture is equipped with two Cortex-A57, four Cortex-A53 processing cores, and an Adreno 418 graphics processor, which supports updated game effects interfaces such as OpenGL ES tes tessellation.

If the SIM card activation fails, it is recommended that you:

1. Determine whether the mobile phone is normal to send SMS, if the mobile phone cannot send SMS, the SIM card cannot be activated;

2. Restart your phone and log in again after logging out of your Mi account.

3. Try to change other SIM cards to confirm whether it is a problem with the card or the mobile phone (if another SIM card still has this problem, it is recommended that you backup your data and restore it to the factory; If the activation of the other SIM card is normal, it is recommended that you go to the business office to replace the SIM card).

The SIM card cannot be recognized, check what causes it and solve it: 1. Check whether the mobile phone card slot or SIM card is damaged: you can insert other mobile phone cards to try, and then put the SIM card of the mobile phone itself on other mobile phones to see, if the card slot is damaged, it is recommended to replace the card slot, if the SIM card is damaged, please go to the business hall to replace the SIM card.

2. Do not read the SIM card caused by network delay: You can turn on the airplane mode of the mobile phone, turn it off after five seconds, or restart the mobile phone. 3. If the signal is not good, you can't find the signal reading SIM card, so you can search in another place.

4. The card is damaged or the phone has been upgraded: The card needs to be used according to the mobile phone version, please replace the card.

Brothers, I found how to solve it, find the USIM card on the phone, the software that comes with the phone, and then select the card you want to activate, there is a self-write card in it and then enter the USIM card,