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Samsung Epic 4G SPH-D700 (Sprint) can be updated to latest Android 4.4.2 KitKat. The upgrade is possible with the help of custom ROM PAC-man. The development team of PAC-man ROM finally introduced Android 4.4.2 KitKat based PAC-man ROM for Samsung Epic 4G SPH-D700 (Sprint). Which means, you can download and install custom firmware PAC-man to update your Samsung Epic 4G SPH-D700 (Sprint) to latest Android 4.4.2 KitKat. Samsung Epic 4G SPH-D700 (Sprint) comes with good hardware spec, hence is capable to run PAC-man smoothly. PAC-man ROM consist various features of Paranoid Android, AOKP and CyanogenMod. The link Im sharing is PAC-man nightly build. The good thing about nightly build is, you will receive update daily and bugs are fixed faster as well as new feature introduced regularly. Continue reading this guide to know how to install Android 4.4.2 KitKat based PAC-man custom ROM on Samsung Epic 4G SPH-D700 (Sprint).
PAC-man comes with various useful customization. Since, PAC-man is based on Android 4.4.2 KitKat, you may like to know whats new on it. Some of the cool Android 4.4.2 KitKat features that you will enjoy is Screen Recording, Tap to Pay (Google Wallet for everyone), NFC emulation for non nfc devices, 14% less memory usage, cloud printing from Gallery, Google Home is the new Launcher, Core System Processes Trimmed, apps are efficient and responsive on all devices, the all new procstats tool details memory use, Full-Lcd Immersive mode, seamless change in resolution during media playback, Phone dialer got local business detection, redesigned Quickoffice and many more.
Please note, not all Android 4.4.2 KitKat feature yet ported to PAC-man ROM.


Another thing you should note, this is nightly build, hence expect some bugs in it. All bugs and issues expected to be fixed as development progress towards a stable PAC-man build.
Warning!
This tutorial is only for Samsung Epic 4G SPH-D700 (Sprint). Don’t try this guide on any other Android device. Also, we (Android Pulp Team) are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.  
Pre Requisites:

1. ROM flashing require you to wipe your internal memory data, hence you required to backup your device data. You can follow our ultimate backup guide.

2.  Make sure your device have at least 60% battery power. If your phone shut down during installation then there is good chance to brick your device.You can install an app like Battery Notifier BT Free on your Android device to check it easily.

3. You must have USB Driver Installed for Samsung Epic 4G SPH-D700 (Sprint) in your PC. [Download USB Drivers]

4. Make sure USB Debugging is enabled otherwise its wont be possible to transfer file between PC and Samsung Epic 4G SPH-D700 (Sprint). [Guide].

5. Your device have latest CWM version 6.0.4.4 and up or TWRP 2.6.3.1 and up installed. [General Guide]

If you done everything that we mentioned above then you are ready to follow step-by-step guide on how to install Android 4.4.2 KitKat based PAC-man ROM on Samsung Epic 4G SPH-D700 (Sprint).
File Required(Download by clicking on it)

1. PAC-man For Samsung Epic 4G SPH-D700 (Sprint)  [Filename: pac_epicmtd-nightly-20140514.zip]

1. Google Apps [Filename: pa_gapps-stock-4.4.2-20140207-signed.zip]

How to Install Android 4.4.2 KitKat based PAC-man ROM on Samsung Epic 4G SPH-D700 (Sprint)

1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.

1. Disconnect USB and then turn off your Samsung Epic 4G SPH-D700 (Sprint).

1. Now, boot into recovery mode. To do so, press and hold Volume Down, Camera and Power button together and you should see recovery menu soon. In recovery use Volume Keys to navigate between option and Power to select an option. Alternatively try this: Recovery Mode without Key Combination.

1. Perform a Nandroid backup of your existing ROM that you can restore later if this new ROM not work or you want to go back into your previous ROM. To perform a backup, select Backup and Restore, then on the next Lcd, select Backup again. Go back to main recovery menu after backup is complete.

1. Now, perform data wiping task. To do so, select wipe data/factory reset, then select Yes on next Lcd to confirm your action. Wait few minutes till the data wipe is complete. Now come back to CWM recovery main menu. Select wipe cache partition and after wiping process done, select Wipe Dalvik Cache under advance option to perform Dalvik cache wiping.

1. Select install zip from sdcard, then select choose zip from sdcard. Now, locate the PAC-man Zip file that you copied earlier in Step 1 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next Lcd. The ROM installation will begin.

1. Once the ROM installation process end, repeat the step 6 but choose the pa_gapps-stock-4.4.2-20140207-signed.zip file instead of ROM zip to install the Google apps package.

1. When installation is completed, go back to the main recovery menu and select reboot system now to reboot your Samsung Epic 4G SPH-D700 (Sprint) and boot up into Android 4.4.2 KitKat ROM PAC-man. 

1. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.

Tutorial For TWRP Recovery Users:

1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.

1. Disconnect USB and then turn off your Samsung Epic 4G SPH-D700 (Sprint).

1. Now, boot into recovery mode. To do so, press and hold Volume Down, Camera and Power button together and you should see recovery menu soon. Alternatively try this: Recovery Mode without Key Combination.

1. Create a Backup using TWRP Backup Option.

1. Perform a Factory Reset (this will delete all apps and their settings and game progress). To do this, Tap on Wipe, then at the bottom of the Lcd do a Swipe on the ‘Swipe to factory reset‘ option.

1. Now its time to add zip file for flashing. Tap on Install, then browse to the location where you saved the files and tap on the PAC-man Zip file. Then tap on Add More Zips, and add pa_gapps-stock-4.4.2-20140207-signed.zip. Now at the bottom of the Lcd, do a swipe on the Swipe to confirm flash option to begin flashing.

1. When installation is completed, go back to the main recovery menu and tap on Reboot and then, tap on System to reboot your Samsung Epic 4G SPH-D700 (Sprint) and boot up into Android 4.4.2 KitKat ROM PAC-man.

1. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select Backup then through Restore option, restore your previous ROM by selecting it from the list.

Congrats! Android 4.4.2 KitKat firmware based custom ROM PAC-man is now running on your Samsung Epic 4G SPH-D700 (Sprint). Now explore the latest Android 4.4.2 KitKat. [Note: If you find difficulties to run root only apps then it may be disabled. Do this then, enable developer settings first (tap the build number 8 times under about device), then enable root under Developer Settings].

The Samsung Galaxy Nexus will not get the official Android 4.4 OTA Update, but that doesn’t mean that there won’t be any stable custom ROMs for its users to install. Use this guide and learn how to successfully update your Galaxy Nexus with the latest CM 11 Nightly build.
More info about this release can be found at the CyanogenMod blog page here.
In order to make sure that you successfully update your device with CM 11 Nightly KitKat ROM, read the preparation guide below first:

• this post works only with the Samsung Galaxy Nexus phone.
  - don’t attempt to update any other devices with the files listed in the tutorial.
• your device has to be rooted and running the latest CWM Recovery.
  - make sure that the latest CWM Recovery is installed on your device.
  - TWRP might work too, but it is recommended for you to use the latest version of CWM Recovery.
• make sure not to skip the ‘NANDROID ROM Backup’ step, as that one will help you create a restore point for your device.
• a ‘factory reset’ is required and this step can be found in the tutorial.
  - do not skip this step, as otherwise the new ROM might not boot in normal mode and you will be forced to repeat the entire tutorial more than once.
  > you can skip the ‘factory reset’ only in case your smartphone already sports a previous official CM 11 Nightly build.
• backup data from applications that are installed using Helium tool — Google Play Store link here.
• backup SMS text messages and APN Internet Settings using the following tools for Android: SMS backup & restore | APN Settings Backup & Restore.
• sync Contacts data with your default Gmail account.
  - those who don’t know how to backup such data can use the guide here.
• enable USB Debugging from Developer Options.
• check the phone’s battery charge level and make sure that it is over 50%, so that the phone won’t switch off in the middle of the updating process.
• read the entire post, don’t skip any steps and ask for more help in comments in case you can’t complete the installation.
• this is a guide for advanced users, do not blame us in case you brick the phone or lose any important data.

Since you’ve read all of the above, continue to the next part of this post and learn how to successfully update your device with a custom Android 4.4 KitKat custom ROM.

How to flash CM 11 Nightly ROM for Galaxy Nexus I9250:

1. Download the latest CM 11 Nightly zip build from here.
   - make sure to grab the latest build.
2. Download the Gapps zip for Android 4.4 from here.
3. Connect your phone to your PC, then move both zip files to your Galaxy Nexus internal storage.
   - when the files are copied, disconnect the phone from PC.
   - do not unzip the files.
4. Power off your device.
5. Next, boot your phone in CWM Recovery Mode.
   - TWRP might work too.
6. First thing that you need to do is to create a NANDROID Backup for the installed ROM:
   - select ‘backup and restore’, save the file on your device and then continue to the next step when done.
7. Now, apply Factory Reset for your phone:
   - select ‘wipe data/ factory reset’, confirm the process.
8. Next, install the new custom ROM:
   - select ‘install zip from sdcard’, then ‘choose zip from sdcard’, find the CM 11 Nightly zip.
   - confirm the installation.
9. After the ROM is installed, select once again the ‘choose zip from sdcard’ option. Flash the Gapps zip now.
10. When both files are installed, return to the first CWM Recovery screen.
11. Reboot your phone now in normal mode.
    - the first boot process takes several minutes for all the files to be correctly loaded.
    - if the first boot takes more than ten minutes or the device enters into a boot loop, then you should repeat the entire tutorial.
12. Create your CyanogenMod account when the home screen appears, then take control over your device and start testing all the new features.

These were all the steps you had to take, now you can start testing the CM 11 Nightly ROM on your Galaxy Nexus.
For other questions or extra help completing the guide, use the comments section below.