How to Upgrade Android 2.3 to 4.0: 15 Steps

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How to Upgrade Android 2.3 to 4.0: 15 Steps
How to Upgrade Android 2.3 to 4.0: 15 Steps
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This article will teach you how to install the latest version of the Android OS. The easiest way to update Android is by connecting it to Wi-Fi and using the "Settings" app to find and apply the update, but you can also use the manufacturer's desktop software to force an update.

Steps

Method 1 of 2: Using the "Settings" Application

Manually Upgrade an Android Device Operating System Step 1
Manually Upgrade an Android Device Operating System Step 1

Step 1. Check if Android is connected to Wi-Fi

To download and install an update, your device must be connected to a wireless network, not your mobile data plan.

Depending on your Android device, you may also need to plug it into a charger or charge it to some extent (such as 50%) before you can install the update

Manually Upgrade an Android Device Operating System Step 2
Manually Upgrade an Android Device Operating System Step 2

Step 2. Open the "Settings" app on Android

Swipe down from the top of the screen and tap settings

Android7settings
Android7settings

, which is in the upper right corner of the resulting drop-down menu.

On some models, you may need to use two fingers

Manually Upgrade an Android Device Operating System Step 3
Manually Upgrade an Android Device Operating System Step 3

Step 3. Scroll down and tap System at the bottom of the "Settings" page

  • On Samsung Galaxy, tap Software update.
Manually Upgrade an Android Device Operating System Step 4
Manually Upgrade an Android Device Operating System Step 4

Step 4. At the bottom of the page, tap About phone

  • If you are using a Google Android (such as the Pixel phone), tap Advanced.
  • On Samsung Galaxy, tap Download updates manually.
  • If you are using an Android tablet, tap about the tablet.
Manually Upgrade an Android Device Operating System Step 5
Manually Upgrade an Android Device Operating System Step 5

Step 5. Tap the Update option

The name of this option may vary, but it's somewhere on the "About Phone" (or "Manually Download Updates" page on Samsung Galaxy) page.

  • Maybe you need to touch first Check updates.
Block a Stolen Phone Step 8
Block a Stolen Phone Step 8

Step 6. Follow the onscreen instructions

Depending on your Android model, you will need to go through some screens (such as entering your passcode and confirming the update) before starting the update.

Speed up an Android Smartphone Step 53
Speed up an Android Smartphone Step 53

Step 7. Wait until Android is updated

This process can take about half an hour. At the end of the update and reboot, the latest version of the operating system will be installed on your device.

Method 2 of 2: Using a Computer

Manually Upgrade an Android Device Operating System Step 8
Manually Upgrade an Android Device Operating System Step 8

Step 1. Download desktop software from your Android device manufacturer

This step varies by phone model, but you can usually find the desktop software from the "Download" section of the manufacturer's "Support" page. Some common options include:

  • Samsung: open Kies download page, scroll down, click KIES DOWNLOAD (on Mac, click SMART SWITCH).
  • LG: open the LG PC Suite page, scroll down until you find your operating system (like for example Windows).
  • Sony: open the Xperia Companion download page and click and Download for Windows or Download for Mac OS.
  • Motorola: Open the Motorola Device Manager download page and click Download for Windows (Download for Windows) or Download for Mac (Download for Mac).
Manually Upgrade an Android Device Operating System Step 9
Manually Upgrade an Android Device Operating System Step 9

Step 2. Install desktop software

To do this, double-click on the installation file and follow the on-screen instructions.

On Mac, you usually just click and drag the icon to the "Applications" folder shortcut. You may also need to check the software before you can install it

Manually Upgrade an Android Device Operating System Step 10
Manually Upgrade an Android Device Operating System Step 10

Step 3. Find and download an available update file

If you have an update available, it will usually appear in the "Downloads" section of the "Support" page; you may need to select your device type and model to get the appropriate update.

  • Click on the update filename or the button Download to download it.
  • If you don't see anything listed on the page then there are no new updates available.
Connect Android Phone to Computer Step 14
Connect Android Phone to Computer Step 14

Step 4. Connect Android device to computer

Connect the device to the computer using the USB cable.

If you have a Mac, you will need to use a USB 3.0 to USB-C adapter

Manually Upgrade an Android Device Operating System Step 12
Manually Upgrade an Android Device Operating System Step 12

Step 5. Open the manufacturer's desktop software

Click once or twice on the software icon in the "Desktop".

  • You can also type his name in the menu. Start

    Windowsstart
    Windowsstart

    (Windows) or spotlight

    Macspotlight
    Macspotlight

    (Mac), and then click once or twice on his name in the result.

Manually Upgrade an Android Device Operating System Step 13
Manually Upgrade an Android Device Operating System Step 13

Step 6. Find and click the Update option

The exact location varies depending on the software used.

  • For example, on Samsung Kies, you must first click on the dropdown menu Tools, and then on Update.
Manually Upgrade an Android Device Operating System Step 14
Manually Upgrade an Android Device Operating System Step 14

Step 7. Select the update when prompted

Click once on the update file to select it, then click Open to confirm.

  • You may need to click first Browse file or To search for to select the update file.
Manually Upgrade an Android Device Operating System Step 15
Manually Upgrade an Android Device Operating System Step 15

Step 8. Follow the onscreen instructions

The installation process varies by software and Android model, so follow the onscreen instructions until the installation starts.

Do not disconnect your Android device from your computer until the update is complete

Tips

It's always a good idea to take a backup before updating a device

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