Why can t I install vivo rev1 17 1?

1. If the system cannot be automatically upgraded, it can be upgraded by flashing, and the method is as follows:

3. Press and hold the volume down button and the power button of the phone at the same time for about 8s, and the phone will enter recovery mode.

4. Select Clear Data by Volume Up and Down Buttons, and press the Power button to confirm "Yes--Clear All User Data".

5. Select "Clear Cache" by the volume up and down buttons, and press the power button to confirm "Yes--Clear all caches."

6. Then use the volume up and down keys to manually select the installation package in Select. Once the installation is successful, choose to reboot the system immediately and you're good to go.

Hello! I'm sorry for the trouble, but is there any hint if I can't install it? Has your phone been rooted?

You can enter the following parameters through the dial-up interface: **, is root=0, which means there is no root, and is root=1, which means that it is rooted. If the phone is rooted, it can't be upgraded normally:

After you enter, enter your mobile phone model in the search box, click Search--Resources**--Firmware Upgrade--Full Package**, and then**After that, don't unzip it, copy it directly to the root directory of the mobile phone USB flash drive, and operate according to the following tutorial.

Firmware upgrade instructions.

If you don't know how to operate, you can also take your mobile phone to our after-sales service center and let our after-sales service center professionals help you recover

Go to Phone Settings - System Upgrade, some iQOO (Monster) UI versions FunTouch models need to go to Settings - My Devices - IQOO (Monster) UI version Funtouch OS version, click the arrow after "Current Version" to view the upgrade log. Upgrade details at a glance

Here's how to try:

2.If other third-party software can be used normally, only this software may not have compatibility problems with the mobile phone system.

3.If the software cannot be installed normally due to insufficient memory on the phone, it is recommended that you move the multi** files stored in the phone to the external SD card to expand the memory space of the phone and reinstall it;

5.Update the system version of the phone and try to install it.

6.Back up your phone's data (book, SMS, multiple files, etc.) and restore factory settings.

7.If the problem persists, send the phone to the nearest after-sales service station for testing and further processing.

This happens because your phone is running out of memory, so you can't copy or install the app to your phone. Solution: Free up your phone's memory or install the app on your SD card.

Please try the following methods: 1. Uninstall the unwanted apps and games in the phone's memory, so that the phone can free up more remaining space 2. Move some applications stored in the phone's memory (not all applications can be moved) to the SD card, which can also free up some space. 3. Install the app into the SD card.

What are the corresponding prompts for not being able to install? It is recommended that you can try the following methods to solve the problem:

2. The memory is insufficient, it is recommended that you move the programs installed in the mobile phone to the USB flash drive of the mobile phone to free up the system space, and move the programs installed in the mobile phone to the USB flash drive of the mobile phone by entering the mobile phone settings - more settings - applications - installed in the mobile phone. If all the programs are moved or the memory is insufficient, you need to uninstall the programs that are not commonly used in the phone to free up the system space, and you can only install other programs when the system space is freed;

4. If it prompts that it is not installed or the installation fails, some software cannot be installed because the resolution is not supported, the software or the software version is not compatible with the mobile phone system, it is recommended that you change to other versions or other third-party software to install and use.

The long use of mobile phones, the increasing amount of garbage, and the increasing number of software directly affect the running speed and stability of the system. There are also defects in the system itself, the longer it is used, the worse the speed and stability.

1. Back up your contacts and data. Factory reset.

1. Open the program, open the system settings and open it.

2. Hit factory reset or turn on backup or reset, and select Reset. (The system is not the same, there are slight differences).

2. If the above methods can't solve the problem completely, try the following methods.

1. Press and hold the volume down button + power on button at the same time in the shutdown state.

2. The boot interface appears, release it, and enter the recovery flashing tool for a while.

3. Through the volume up and down, select wipe data, OK (the volume button is selected up and down, and the power button is OK), the option appears, and yes is selected.

4. Click Wipe Cache after returning to the menu automatically until it automatically returns to the main menu.

5. Select reboot and reboot.

If it is a Chinese menu. It's the same with choosing to perform data purging and emptying the cache, respectively.

If you want to flash or upgrade, you must restore the factory settings before operating, so that the system is stable and compatible.

Hello! Is your phone rooted? You put it to the test

You can enter the following through the dial-up interface: * * to check the nv parameters, is root=0, which means that there is no root, and is root=1, which means that it is rooted.

Our smartphones do not have root privileges at the moment. There are two main reasons:

After the root is opened, it may cause problems such as abnormal use of the phone, crash restart, etc.

From a security point of view, some illegal programs hijack the communication function and desktop of the mobile phone without your knowledge, which will cause the loss of users' personal privacy and fees. And it cannot support the mobile phone or vivo assistant for ** upgrade. Therefore, it is not recommended to operate this function, otherwise it is easy to bring serious consequences, and the hardware problems caused by root are not warranted after sale.

You can upgrade according to the tutorial, it is recommended that you back up first before you operate.

If it still doesn't work, you can go to the after-sales service center to test and deal with it. After-sales service center address **Query in the Settings - General More Settings - After-sales service menu. You can also go to vivo official ** to check the address of the after-sales service center.