OPPOa57 Dual SIM mode issue

You can use the phone's built-in phone manager to clean up the phone's memory, or clean up useless files. If it's still too stuck, I can only suggest that you reset it and restore it to the factory, so that it will be as fast as a new phone. The configuration of A57 is really poor, and if the economic conditions are good, it is recommended that you buy one.

It would be much better to clean up the memory and close the background software that you don't use.

Hello, if it's stuck, you can restart your phone.

Take the test to clean up the garbage or reboot it.

It is recommended to clean up your phone junk and give it a try.

It is possible that a telecom card is used.

The telecom network is 3G+2G or 4G+2G, and telecom calls and telecom must run on the 2G network, so there is always a dual signal.

One is a 3G signal and the other is a 1X signal, both of which are telecomic, and the telecommunications signal is so normal; The upper one is the data network signal icon, and the lower one is the call signal icon, if the data network signal and the call signal are both on 2G, then the two signal icons will be merged into one.

And the general mobile and Unicom,Generally maintain3G or 4G,Only when you hit ** will the spine search switch the signal to2G,So there is usually only one signal。

If it weren't for the use of telecom cards, Jianshou did not discuss after-sales in-depth testing.

It is possible that a telecom card is used.

The telecom network is 3G+2G or 4G+2G, and telecom calls and telecom must run on the 2G network, so there is always a dual signal.

One is a 3G signal and the other is a 1X signal, both of which are telecomic, and the telecommunications signal is so normal; The upper one is the data network signal icon, and the lower one is the call signal icon, if the data network signal and the call signal are both on 2G, then the two signal icons will be merged into one.

The general mobile and China Unicom, generally keep 3G or 4G, and switch the signal to 2G when playing **, so there is usually only one signal.

If you are not using a telecom card, it is recommended to go to the after-sales in-depth inspection.

Do you have 2 SIM cards installed?

First, click "Settings" on the desktop of the OPPO A53M phone.

2. After entering the settings interface, select the "Dual SIM and Mobile Network" option.

<>Fourth, after entering, check the SIM card that you want to use the traffic number.

5. Hold it closed, then return to the dual SIM and mobile network interface, and open the SIM card to enter.

6. After entering, turn on the switch of "Enable", and turn on other SIM cards in the same way, so that the dual SIM dual standby is set up.

The dual SIM mode does not require two telecom cards. So mobile phones are all the same.

Yes, but one is 4G and the other can only be 2G

The OPPO A59 M is fully Netcom (supported by Mobile, Unicom and Telecom). You can put two cards...

If it's a data network, hit **, send a message, this can be set...

In [Settings] - click [Dual SIM and mobile network] - data network, call**, send a message] to always ask on it...

If it doesn't work after setting it up and restarting, it is recommended to restore the factory settings to try it.

Most of the reasons for jamming machines are as follows:

1. Run multiple applications at once It is recommended to clean up the background.

3. There are too many cache files It is recommended to back up the data first and then clean up the cache: after turning off the phone, press and hold the power button and the volume reduction button for about 10 seconds to appear in the engineering mode, select the language you need to use, click to clear the cache, and choose to restart and boot it.

4. If the phone is rooted, the system is unstable, and you need to back up the data to the customer service center to unroot it for free and use it for observation.

5. You can back up the data in the mobile phone, double clear the mobile phone: after turning off the mobile phone, press and hold the power button and the volume reduction button for about 10 seconds to appear in engineering mode, select the language and bridge words you need to use, click to clean up the data and cache, and choose to restart the boot.

6. Upgrade the phone to the latest firmware, you back up the information in the phone before brushing the studio, and then double clear the phone, the method of double clearing is: turn off the phone and press and hold the power button and the volume reduction button for about 10 seconds to appear in engineering mode, select the language you need to use, and click to clean data and cache.