Redmi 1s cannot store the received SMS.

Double-clear, then only back up and restore personal data, and download the software in the app store again. Try to see if it works:

Redmi 1S- China Unicom/Telecom Edition, 4G Red Rice NOTE and Xiaomi mobile phone series all use the processor of Qualcomm, (Mi3 mobile version uses the processor of NVIDIA, but the method of Sanqing is the same. )

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Because Redmi MTK series (except Redmi 1S- Unicom/Telecom version and 4G version of Red Rice NOTE adopt Qualcomm CPU), all others adopt MTK CPU, so the method of entering recovery mode is different from other models of Xiaomi!

Here, we teach you to enter the Redmi series-recovery, quick start mode, card brush, double clear!

(It should be noted that Redmi recovery mode: volume minus key-volume plus key selected-confirmed).

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The method of Redmi series (MTK) entering recovery;

1. In the power-off state, press and hold the volume down+power button at the same time, release the button when the screen lights up, and choose to enter recovery.

(When the green robot picture appears, press the "power button" to enter the menu).

Or click the system update, click the menu button-select Restart to Restore, click OK, the phone restarts and enters the recovery mode, and I see a green Android robot lying on the ground (just like the cottage ... my friends and I are shocked ...), and finally press the power button to enter.

2. Press "Volume Down" to select recovery, then press "Volume Up" to confirm, select Erase Data/Restore Factory Settings → select Yes-* * * * * Press "Volume Up" to confirm, and wait for the cleaning to be completed.

3. Select "Volume Down" to erase the cache partition → Yes-* * * * * Press "Volume Up" to confirm.

If it is convenient, please open the link with a graphic introduction:/thread-1350148-1-1.html.