When the phone is turned off, press and hold the volume increase and power key at the same time to enter the Recovery mode as follows:
1. Press and hold the volume increase and power button when the phone is turned off until the phone vibrates. 2. Press and hold the volume up key and volume down key until the phone vibrates and then release the power key.
3. In the Recovery mode, select Simplified Chinese (or English). 4. Select Clear Data. 5. After entering, there are two options: 1) Wipe data/factory reset 2) Wipe cache partition 3) Partition (select volume up and down) 4) Power key confirmation
The double wipe operation is a necessary step before the machine is flushed. If it is not executed, the machine may fail to be flushed or the system may be unstable.Just run the first line of function instructions before the machine is refreshed, while the second line only formats the cache partition, so only run the first line of function instructions before the machine is refreshed.In addition, the definitions and application methods of Sanqing and Siqing are also introduced.Few mobile phones now provide the three clear and four clear options. If you want to clear the data, you must deep brush into the third-party ROMs to clean the phone.
If the above two methods fail, you may need to use third-party tools such as Odin to operate.Make sure that the computer has installed the corresponding driver, and connect the phone to the computer according to the tutorial. Select the corresponding mode and clearing option on the Odin interface, and then start double cleaning.But please note that this may cancel the equipment warranty, please operate carefully
Another way is to use the developer options of the phone.Find the mobile phone in the settings, and click the version number 7 times in succession to open the developer option.Then return to the settings, enable USB debugging and select to restore factory settings or clear cache partitions
First, you need to turn off the phone, then quickly press and hold the volume down key and the power key until you see the Samsung logo or the green triangle in the recovery mode appears.At this time, release the key to enter recovery
When the phone is turned off, press and hold the volume increase and power key to enter Recovery mode, Official Rec operation method: the volume increase or decrease is the selection key, and the power key is the confirmation key. Select Simplified Chinese (you can also choose English if you understand English), and select Clear Data. 360 Q&A Double Clear is to clear the "System Cache" and "User Data". Select it and confirm to clear it. Before double cleaning, you should back up your personal data. It's better to clear it before it's gone. 1. Turn on the phone and enter the Recovery mode (generally, Android phones can enter the Recovery mode by pressing and holding the volume "+" and power button, Some users need to press and hold the volume up key, volume down key, and power on key at the same time. After the mobile phone shakes, the Songmao Xunhong Wheel will turn on and off the key (the volume up key and volume down key will continue to be pressed, while some users need to press and hold the volume down key and power on key). 2. There are two lines after entering: 1) Wipe data/factory reset 2) Wipe cache 3) The partition volume is selected up and down, and the power key determines. Dual wipe is an operation that must be executed before the machine is flushed. If it is not executed, the machine may fail to be flushed or the system may be unstable. When the phone is turned off, press and hold the volume increase and power key at the same time to turn on the phone and enter the Recovery mode. There are two lines as follows: wipe data/factory reset wipe cache partition The first line formats/data (program data) and/cache (system cache) partitions, The second line only formats the/cache partition, so it is only necessary to run the first line of function instructions before the machine is flushed. The line is usually just used to free the cache space. Press and hold the power button+volume to decrease "-" when the machine is powered off, and then enter into the Fastboot mode to execute the line brush;The power button+volume+"+" in the shutdown state enters the recovery recovery mode, and the recovery card can be executed. Here are the definitions of Shuangqing, Sanqing and Siqing: ① Shuangqing: Wipe data/factory reset: clear user data and restore factory settings (an option that must be executed before the machine is rebooted) Wipe cache partition: Clear the system cache (execute before the system is flushed (you can also try this option if the system has problems, which can generally be solved ② Sanqing: Wipe data/factory reset: clear user data and restore factory settings (an option that must be executed before the machine is rebooted) Wip discipline cache partition: Clear the system cache (executed before the machine is flushed) (this option can also be tried if the system has problems, which can generally be solved Wipe Dalvik Cache: Clear the virtual machine cache (can solve the problem of some program FC) ③ Siqing Wipe data/factory reset: clear user data and restore factory settings (an option that must be executed before the machine is rebooted) Wipe cache partition: Clear the system cache (executed before the machine is flushed) (this option can also be tried if the system has problems, which can generally be solved Wipe Dalvik Cache: Clear the cache of the virtual machine (can solve the problem of some program FC) Wipe Battery Stats Basically, it is to clear the data of the mobile phone. Currently, there are few Sanqing and Siqing. If you want to clear the data, you must deep brush in some third-party ROMs to clean the mobile phone. Only then can there be Sanqing or Siqing. Generally, the original ROM does not have this function, and some mobile phones will go to double clear, such as MIUI, and the mobile phone will be locked directly,You must use the official tool Wenqu to connect the phone, download the ROM or use the card to brush the phone, and this is also to double clear the phone. Because before Android refreshes the system, if it does not know the original cache, it will sometimes fail to brush the phone, or the success of the brush will have an impact on the existing software and hardware, such as the camera cannot be opened, so it is clear about the cache,Turning the mobile phone into a white letter is the best choice and the safest.
