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List of contents of this article:

• 1, How to upgrade Samsung S4 Android 4.3 to 4.4 or above?
• 2, Android 4.3 How to upgrade Android 4.3
• 3, How to root the mobile phone of Android 4.3
• 4, What should I do if I can't log in if the WeChat version is too low, Android 4.3 system
• 5, Samsung mobile phone Android 4.3 How to upgrade
• 6, Samsung i9300 How to upgrade Android 4.3 system

How to upgrade Samsung S4 Android 4.3 to 4.4 or above?

Fota upgrade: through mobile phone settings-(general)-about equipment-system update (or software update)-update.Connect to the computer and use S replacement assistant or Kies software update (different models use different PC software. Upgrade through Kies: 1) Download and install the Kies software on your computer.

Open the Kies software. If there is a new version of the mobile phone system/firmware, the Kies software will have a firmware upgrade prompt. Click to upgrade. If your mobile phone or tablet is using the Android 3 or above operating system, please download and install the Kies3 version.

It is recommended to bring the 3R certificate and send the mobile phone to the local Samsung service center for security upgrade.

Another way is to send it to the Samsung service center for upgrade. Remember to bring the purchase invoice, repair card and the machine. After arriving at the Samsung service center, professional after-sales engineers will help upgrade.

Android 4.3 How to upgrade Android 4.3

Open Kies software, if there is a new version of the mobile phone system/firmware, the Kies software will have a firmware upgrade prompt, click to upgrade. If your mobile phone or tablet is using the Android 3 or above operating system, please download and install the Kies3 version.

On the home page of Huawei mobile phone, enter the "Settings" to find the "System Update" function and click and enter. It should be noted that there is no system update icon on the desktop of Huawei's new mobile phone. The mobile phone begins to automatically detect the new version. After finding the new version, click "Download" and start updating the system after the download is completed.

The operation method of Android mobile phone upgrade system/firmware is as follows: x0dx0aFota method upgrade: through mobile phone settings-(general)-about device-system update (or software update)-update.

If the system cannot be automatically upgraded, you can take a flash upgrade. The method is as follows: first go to the official website to download the firmware package and save it to the root directory of the mobile phone. Then back up the mobile phone, shut down after the backup, and do the following on the mobile phone in the shutdown stateOperation: Press and hold the volume down button and the power button of the mobile phone at the same time for about 8s, and the mobile phone will enter Recovery mode.

Please back up the data in the device before upgrading to avoid data loss and unretrievable. The mobile phone needs to be set to the current time. The mobile phone has enough power (more than 50%). Mobile phones need enough storage space (at least 1GB USB memory).

Dear, in order to prevent data loss, it is recommended to back up the mobile phone data before upgrading, which can be upgraded online and locally. Online upgrade: Before online upgrade, the network should be connected. Enter the "Settings" interface, click "Mobile Phone Upgrade - System Software Update - Online Upgrade", and upgrade according to the screen prompts.

Android 4.3 mobile phoneHow to root

Let me tell you several common root software, Baidu one-click root, brush master, sweet pepper root, application treasure root. I use Appbao more often, because the mobile phone system is often upgraded, and it needs to be rooted every time it is upgraded.

You can first install this software on the computer and open the USB debugging of the mobile phone. After connecting, open the toolbox in the lower left corner of the mobile phone. You can see one-click ROOT in the toolbox. You'd better back up the data in the mobile phone before ROOTing. . I hope I can help you.

Connect the computer with your mobile phone and download the one-click root tool. After the download is successful, open the one-click ROOT software. There will be root preparation. Click Next to officially start root.Check the root conditions. If you need to back up the file, you must back it up. Click to start ROOT.

First, download the z4root software and install it on your mobile phone, and open the z4root software after installation.

In order to improve the success rate of ROOT, choose to use Tencent App Treasure as the operation platform. After the mobile phone is connected, turn on the USB debugging option and link the mobile phone. After the mobile phone is successfully connected to the computer, click the [Toolbox] on the left option and find the application's built-in [one-click RO] on the right side of the toolbox. OT] Simple tools.

What should I do if the WeChat version is too low to log in, Android 4.3 system

1. First of all, ILet's first check what version of your mobile phone system is. If it is Android, you should make sure whether your system is version 1 or higher! If you don't need to enter the official website to download the system suitable for yourself. How to check your mobile phone version. Click Settings - About Mobile Phone.

2. Mobile phone software conflicts may also cause WeChat to be unable to log in. Try to close WeChat and other software, and then log in to WeChat again, which may have good results.

3. If your mobile phone version is low and you can't log in to WeChat, you can try the following methods: Update the WeChat application: Go to the App Store to check if there is an update of the WeChat application available. Sometimes, WeChat will release updates for old versions of mobile phones to solve some compatibility problems.

4 、目A new solution has been developed before,Actionable global trade insights that is, by modifying the feature code in the old version of the apk installation package, replacing the old version of the feature code with the new version of the feature code, so as to deceive the verification of the feature code at the time of login. After personally testing and replacing the version feature code, it can perfectly solve the problem of low version login restrictions.

5. You can update WeChat to the latest version in the mobile phone software store, and you don't need to log in to WeChat again. Open the software store on the mobile phone desktop. On the software store page, click [My] in the lower right corner. On my page, click the app to update.

How to upgrade Samsung mobile phone Android 4.3

1. If your mobile phone or tablet uses Android 3 and above operating system, please download and install the Kies3 version.Send to Samsung Service Center for upgrade: Bring the purchase invoice, free repair card and the machine to the Samsung Service Center, and be upgraded by professional after-sales engineers.

2. Click on the "Settings" of the mobile phone and enter the mobile phone settings page. After entering the mobile phone settings page, open the "System Update" column.

3. Check the update: In the settings menu of the mobile phone, find the "About Mobile Phone" or "System Update" option. After clicking Enter, you can check whether there are available system updates.

4. Please back up the data in the device before upgrading to avoid data loss that cannot be retrieved. The mobile phone needs to be set to the current time. The mobile phone has enough power (more than 50%). Mobile phones need enough storage space (at least 1GB USB memory).

How to upgrade Samsung i9300 to Android 4.3 system

1. Hello: The latest operating system of Samsung i9300 is Android 3 version. Please back up important data before upgrading the mobile phone system.

2. Hello: According to your feedback, the genuine machine sold by Samsung Mainland, i9300, has recently released the Android 3 operating system.

3. According to your description, the current highest version of Samsung I9300 mobile phone is Android 3. If you need to upgrade; Fota upgrade: through mobile phone settings-(general)-about device-system update (or software update)-update.

4. Hello: The public version of i9300 mobile phone and the Unicom version can be upgraded to the official Android 3 system.

5. Open Settings-About Device-System Update-Update.Download and install firmware updates through the online firmware upgrade (FOTA) service. NOTE: REQUIREMENTS FOR USING FOTA SOFTWARE UPGRADE: STABLE WI-FI OR 3G NETWORK. The battery power reaches more than 50%. The available mobile phone memory can reach more than 1GB.