2.Tap the Running tab.

3.Find the application to force stop and tap the application.

4.Tap Stop.

5.Read the disclaimer and tap OK.

To uninstall a downloaded application:

1.Press > > System settings > Apps.

2.Tap the Downloaded tab.

3.Find the application you want to uninstall and tap it.

4.Tap Uninstall.

5.Read the disclaimer and tap OK.

To set the phone to end a running application when you open a new application:

1.Press > > Systems settings > Developer options.

2.Tap the Don't keep activities checkbox (A blue checkmark will appear). To set the limit of the number of processes that can run in the background:

1.Press > > Systems settings > Developer options > Background process limit.

2.Tap Standard limit, No background processes, At most 1 process, At most 2 processes, At most 3 processes, or At most 4 processes.

To set the phone to alert you to unresponsive applications that are running in the background:

1.Press > > Systems settings > Developer options.

2.Tap the Show all ANRs checkbox (A blue checkmark will appear).

Personal Settings

This group of settings lets you configure accounts & sync, location services, security, language & input, and backup & reset settings.

Accounts & Sync

Use the Accounts & sync settings menu to add, remove, and manage your Google™ and other supported accounts. You also use these settings to control how and whether all applications send, receive, and sync data on their own schedules and whether all applications can synchronize user data automatically. Gmail™, Calendar, and other applications may also have their own settings to

Settings

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Sprint Nextel LG OPTIMUS F3 Personal Settings, Accounts & Sync, Tap Uninstall, Press Systems settings Developer options

LG OPTIMUS F3 specifications

The Sprint Nextel LG Optimus F3 is a stylish and efficient smartphone designed to cater to the needs of a range of users, from casual smartphone owners to tech enthusiasts. Released in 2013, the Optimus F3 stands out in the mid-range smartphone market due to its appealing blend of features, affordability, and performance.

One of the key features of the Optimus F3 is its vibrant 4.0-inch IPS LCD display, which offers a resolution of 800x480 pixels. This screen quality ensures that users can enjoy bright and colorful visuals, whether they're browsing the web, watching videos, or playing games. The compact size of the screen also makes it easy to hold and operate with one hand.

Under the hood, the Optimus F3 is powered by a dual-core 1.2 GHz Qualcomm Snapdragon processor. This processing capability is complemented by 1GB of RAM, allowing for smooth multitasking and efficient performance across various applications. Users can expect seamless browsing, responsive navigation, and a quick launch of apps, making the device convenient for everyday tasks.

The device also boasts an 8MP rear camera with autofocus and LED flash, which enables users to capture high-quality images and videos. Additionally, there is a 1.3MP front camera for self-portraits and video calls. The camera's features, combined with LG's image processing technology, yield impressive photo quality and offer a wealth of options for customization.

Connectivity is another strong suit of the LG Optimus F3. It supports 4G LTE networks, providing users with rapid download and browsing speeds. Moreover, it offers Wi-Fi, Bluetooth, and GPS functionalities, ensuring that users can stay connected and navigate efficiently.

The device operates on Android 4.1 Jelly Bean, which provides users with a user-friendly interface and access to a plethora of applications via the Google Play Store. The Optimus F3 is equipped with a 2,460mAh removable battery, which contributes to its longevity, allowing users to enjoy their device throughout the day without frequent recharging.

In summary, the Sprint Nextel LG Optimus F3 combines essential features, solid performance, and connectivity options, making it an appropriate choice for users seeking a reliable smartphone experience without breaking the bank. Its combination of functionality and style ensures that it remains a notable contender in the mid-range smartphone arena.