It can take 2 to 3 days for the device's battery life to normalize.This may result in higher than normal battery drain, and in some cases device sluggishness, until apps are updated or removed. Downloaded apps may not be optimized, as app developers don't immediately update their apps to support new versions of the OS.This can take time and cause the device to temporarily use more battery while the optimization is in progress. The application memory may have to be optimized.

If you dismiss the notification and have not cleared space after 24 hours, a pre-update message will pop up again until you free up the memory necessary to perform the software update.īattery life expectations after a major software update: Eliminating unused apps, and clearing videos or photos can help free up device memory. If you don't have enough user memory, a Low Memory pop-up screen will be shown until you free up enough memory. The device will restart with the original software and will prompt you once again to install the software update.ĭue to changes in the Android OS, you'll need sufficient reserved memory for a software upgrade. Remove and re-insert the battery, and power your device back on. If the software update fails to install, you'll get an error screen, though this only means the software didn't install properly. Once you're connected, an update notification will appear on your device. Tap Wi-Fi to view and select a Wi-Fi network. To enable Wi-Fi on your device, go to Settings under Wireless & Networks and tap Wi-Fi ON to enable (if not already enabled). You'll need to be connected to Wi-Fi to update your device while roaming. You won't receive a software update notice if you're roaming. To check your software version from the home screen: A screen will appear stating that the installation has been completed. Tap Install Now and the device will power down and restart. When the download is complete, you'll be notified that it is ready to be installed. Once a new software version is available for your device, it'll begin downloading in the background. When download is complete, a screen will appear advising you that the new version of software is ready to be installed. Start on the Home screen by tapping the Menu Key.Battery life expectations after a major software update.Software Update Instructions - Server initiated OTA.Software Update Instructions - User initiated over the air (OTA).To help you with the mandatory software update for your device, this page contains the following information:

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