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First, see if your ** thing is in a format that your phone supports (which is important); Second, check whether your storage disk is full (clear some space when it is full); Third, don't log in to that page on your mobile phone, log in to the ** page on the computer, and see if there is a problem with the ** key; (Then it means that there is a problem with this link, change it to something else; Fourth, see if your phone's software is normal, (if you have this smart phone with an operating system, you need to install the corresponding software), (if there is a problem, please delete and reinstall) Try it. See if that solves your problem?
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1.Check whether the current network is normal. Check whether Mobile Manager > Traffic Management > App Networking > App Market > Mobile Data is selected (Wi-Fi is selected by default) and whether App Market is allowed to connect to the Internet.
If you have confirmed that the Internet connection is normal and still cannot be browsed**, please open the browser and check the mobile data and Wi-Fi connection data to see if you can browse the web normally. If not, please change to another network environment and try to re-use the software.
2.Check if the current phone memory is sufficient (set > Storage > Cleanup Acceleration).
Generally, it requires more than 3 times the space of the installation package to be installed.
3.Check whether the app store is up to date.
4.Delete the app marketplace data cache.
To check the version of a mobile phone, go to Settings > System > About Phone > Version Number (below) or Settings > About Phone > Version Number (and above).
HarmonyOS: Settings > Apps & Services > App Management > AppGallery > Storage > Delete data caches.
and above: Settings > Apps> App Management> AppGallery > Storage> Deleting Data Caches;
and above: Settings > Apps & Notifications> App Management> AppGallery > Storage> Deleting Data Caches.
Below: Settings > App Management > AppGallery > Storage > Deleting Data Cache.
5.Uninstall the updated Marketplace version.
Go to Settings > Apps > App Management > AppGallery > 3 dots in the upper right corner 4 dots > Uninstall Updates: Uninstall the app store and roll back to the factory version, open it to check whether the factory version is normal**, and then update the latest version before using it. (Uninstalling an update and rolling back to the factory version is to check whether there is an abnormality in the current latest version of the app market).
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1. The network may be abnormal, and it is recommended that you try to change Wi-Fi or switch the data network to try again.
2. It may be that the storage space is insufficient, it is recommended that you clean up the garbage of your mobile phone, free up space and try again.
1. Enter the phone settings, directly search for "external** app" or "install unknown app" in the search bar at the top, and turn on the switch of the corresponding app if you allow which app can install the software.
3. It may be that the storage space is insufficient, it is recommended that you clean up the garbage of your phone, free up space and try again.
If the above methods cannot solve your problem, it is recommended that you back up your mobile phone information, bring your mobile phone and purchase voucher to the OPPO official service center, and a professional engineer will test and process.
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2. The software is not compatible with the mobile phone system. 3. The installation package is a corrupted file. 4. The mobile phone is poisoned or broken.
Solution:1Check whether the current network is normal.
2. Clean up the phone's memory and SD card in time, delete unnecessary files, and free up storage space. 3. According to the use of the mobile phone, set the permission to install the software and turn on the unknown software installation function. Under normal circumstances, if this function is not turned on, the system will give a corresponding prompt when installing the software.
Hopefully, this service will help you <>
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1. The software installation failure caused by the insufficient memory space of the mobile phone. To clean up your phone's memory and some cache junk, free up some space on your phone.
3. The version of the mobile phone system is too low, resulting in the software not supported by the system of the lower version. You want to re-update your phone's system version.
4. The application is incompatible, if the application market prompts incompatibility, it is recommended to consult the developer of the relevant application.
1. First of all, check the current connected network, check whether the network speed is good, it is recommended to change the network.
2. It is possible that the server is abnormal in the pre-inspection period, and it is recommended to try to change the time period.
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It may be that there is a problem with the mobile phone network settings, and the network signal is poor, and the mobile phone cannot go to the Internet. Solution: Change the network signal and reconnect the network on the phone.
Or open the settings on your phone to enter General, press Reset, and reset the mobile network settings.
2.The most common solution is to connect the computer to the storage mode and find the SD card directory (the oil that has been rooted, the oil can be used as a travel fluid manager).Android Secure folder,There should be one in the first thing,It may also be another name,In short, the file is obviously different from the normal program naming format,Delete,Install the software again。
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Judging from the situation you described, you should still not have mastered the basic knowledge and mastered it comprehensively and not firmly enough, you still need to work harder, communicate more with teachers to solve this problem, usually do more questions, and bring what you have learned into the questions.
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