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Question posted by dan6141 on December 22nd, 2020

I Have An Older Samsung Galaxy Phone.model Sph-m840. Is It Possible To Upgrade.

Is it possible to switch something in phone to upgrade? I looked for sd card but could not find one. Also had virgin mobile as provider.

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Answer #1: Posted by Odin on December 22nd, 2020 5:47 PM

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Odin

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Yes. See https://www.hardreset.info/devices/samsung/samsung-m840-galaxy-prevail-2/faq/firmware-flash/.

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Related Samsung SPH-M840 Manual Pages

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 1

All rights reserved. Online User Guide Samsung Galaxy PrevailTM II www.boostmobile.com ©2013 Samsung. Other marks are trademarks of their respective owners. BOOST and BOOSTMOBILE and Logo are the property of Boost.

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 4

...a registered trademark of the SD Card Association. Do you have questions about your Samsung Mobile Phone? Swype and the Swype logos are trademarks of Samsung Electronics Co., Ltd. The..., Google Mail, Google Maps, Google Music, Google Talk, Picasa, YouTube and other countries. Samsung Telecommunications America (STA), LLC Headquarters: 1301 E. DivX®, DivX Certified® and associated ...

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 16

...: To prevent damage to data stored on a memory card, unmount the card before removing the card. 3. Adding a Google Account Your new phone uses your phone. 1. Follow the prompts to enter your account credentials and set up your account on your phone, or create a new account on your phone for SD card safe to remove to display in the Status...

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 57

...: View and manage devices restricted from connecting to your device. Ⅲ Download to: Choose a location to save downloaded content, from USB storage (phone memory) or an optional installed SD card (not included). Ⅲ Upload from other devices: Choose how to handle incoming files from other devices can access data on page 42. Touch...

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 68

... then tap > Storage. For more information. 2C. Touch a category for various categories. Touch Format SD card to prepare the memory card for safe removal or formatting. Device memory View usage for an optional installed memory card (not included). 1. SD card View usage for your phone's Device memory, and on page 11. 4. Note: This setting cannot be configured. 1.

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 72

... could unlock your finger across the screen. This option offers low security, because someone who looks similar to you can set up Face unlock. Ⅲ Pattern: When enabled, you draw a pattern, which you create, to unlock the phone. Ⅲ None: Disable all custom screen lock settings, to use the default swipe unlock...

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 74

... enable or disable brief displays of password characters. 2C. Encrypt external SD card As a security measure, you can encrypt the contents of an optional installed memory card (not included), and require a password each time you enter them. 1. Your phone does not include a memory card. Menu > Settings 2. Menu > Settings 2. Touch Make passwords visible to complete encryption...

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 104

...vCards) You can export your contact list to and from an optional installed memory card (not included). Ⅲ Export to SD card: Copy contacts to mark all devices support transfers of multiple contacts. Contacts 95 ... an option, then follow the prompts to phone memory. Ⅲ Import from SD card: Copy contacts from USB storage (your phone's memory), or an optional installed memory...

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 127

.... When enabled, other devices can access data on your device. Ⅲ Download to: Choose a location to save downloaded content, from USB storage (phone memory) or an optional installed SD card (not included). Ⅲ Upload from other devices: Choose how to handle incoming files from other devices, from connecting to a Wi-Fi network. Touch...

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 186

... ON THIS MOBILE DEVICE, OR ANY OTHER PROVISION OF THIS EULA, SHALL NOT EXCEED THE AMOUNT PURCHASER PAID SPECIFICALLY FOR THIS MOBILE DEVICE OR ANY...SAMSUNG HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. You expressly acknowledge and agree that require your rights and obligations will be set forth in separate Samsung Account terms and conditions and privacy policies. APPLICATION PROVIDER...

User Manual Boost Mobile Sph-m840 Galaxy Prevail Ii Jb English User Manual Ver.md5_f3 (English(north America)) - Page 191

...-Screen 153 Display settings brightness 56 screen timeout 57 Do cell phones pose a health hazard? 139 E Emergency Calls 154 Entering Text Google voice typing 24 Samsung keyboard 24 Exposure to Radio Frequency (RF) Signals 139 F ...62 M Managing files My Files 102 Memory card installing 6 removing 7 Memory settings internal phone storage 59 microSD card installing 6 removing 7 Mobile networks 182

User Manual Virgin Mobile Sph-m840 Galaxy Ring Jb English User Manual Ver.md7_f3 (English(north America)) - Page 4

...Nuance logo are trademarks or registered trademarks of Google, Inc. ©2013 Samsung Telecommunications America, LLC. Visit divx.com for more information and software tools to...associated logos are trademarks of Virgin Enterprises Limited and are used under license. All product and brand names are trademarks or registered trademarks of the SD Card Association. Screen images simulated....

User Manual Virgin Mobile Sph-m840 Galaxy Ring Jb English User Manual Ver.md7_f3 (English(north America)) - Page 10

.... You must fully charge the battery before using your phone. Samsung accessories are designed to begin using your warranty and may invalidate your phone for charging the battery. If you can use the phone while charging. Using other accessories may cause damage. Tip: Task Manager provides helpful information about extending battery life. A Wall/USB Charger...

User Manual Virgin Mobile Sph-m840 Galaxy Ring Jb English User Manual Ver.md7_f3 (English(north America)) - Page 14

.... To set a personal screen lock, and for internal system storage and SD card memory statistics. 6. You can run apps simultaneously, with some apps running apps to make emergency calls even while the phone is available on your phone. Unlocking the phone Unlock the phone using one of RAM (Random Access Memory) in the background. Touch Uninstall...

User Manual Virgin Mobile Sph-m840 Galaxy Ring Jb English User Manual Ver.md7_f3 (English(north America)) - Page 15

... into place. 3. Getting Started 11 Installing a Memory Card 1. Open the memory card cover, turning the cover to the side to release the lock, then carefully pull the card out. 5. Removing a Memory Card Important! Memory Card Your phone supports optional microSD™ or microSDHC™ memory cards (not included), for SD card safe to remove to data stored on a memory...

User Manual Virgin Mobile Sph-m840 Galaxy Ring Jb English User Manual Ver.md7_f3 (English(north America)) - Page 26

... Update Available: An update is active. SD Card Ready: A memory card scan is not active. The arrows are silenced, and Vibrate is underway, to prepare the card for an app. New Voicemail: You have..."Sound" on page 11. For more information about using memory cards, see "Wi-Fi" on page 81. 3G connection: Phone is paused. The arrows are colored when data is being transferred....

User Manual Virgin Mobile Sph-m840 Galaxy Ring Jb English User Manual Ver.md7_f3 (English(north America)) - Page 27

... to the Home screen, or from the Home screen to the Primary Shortcuts. Understanding Your Phone 23 Bluetooth Paired: Your device is safe to uninstall it. SD Card Safe to Remove: A memory card was uninstalled. For more information, see "Memory Card" on page 11. You can edit the Primary Shortcuts, except for Apps. For more...

User Manual Virgin Mobile Sph-m840 Galaxy Ring Jb English User Manual Ver.md7_f3 (English(north America)) - Page 90

... devices list: View and manage devices restricted from connecting to your device. • Download to: Choose a location to save downloaded content, from USB storage (phone memory) or SD card. • Upload from other devices: Choose how to do so the first time you launch VPN settings. If you have not yet enabled security...

User Manual Virgin Mobile Sph-m840 Galaxy Ring Jb English User Manual Ver.md7_f3 (English(north America)) - Page 100

...to your device. • Download to: Choose a location to save downloaded content, from USB storage (phone memory) or SD card (optional, not included), if installed. • Upload from other devices: Choose how to the same... information, see "Kies via Wi-Fi requires the Samsung Kies application on page 88. Using Kies via Wi-Fi" on your desktop or mobile browser using Wi-Fi technology.

User Manual Virgin Mobile Sph-m840 Galaxy Ring Jb English User Manual Ver.md7_f3 (English(north America)) - Page 161

...EXCEED THE AMOUNT PURCHASER PAID SPECIFICALLY FOR THIS MOBILE DEVICE OR ANY SUCH THIRD PARTY APPLICATION THAT WAS INCLUDED WITH THIS MOBILE DEVICE. U.S. SOME JURISDICTIONS DO NOT ALLOW...OTHER DIRECT, INDIRECT, SPECIAL, INCIDENTAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES EVEN IF SAMSUNG HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. This EULA is licensed only with "restricted rights" and...

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