Backup and Restore EFS or IMEI on Samsung Galaxy Devices. I am not sure how many of you visiting this page are familiar with the presence and importance of the EFS thing that we are going to talk about today Actually, I often hear people requesting to offer a solution of a problem that makes them unable to make a call, send a message, access internet or any connectivity related thing. Imagine a mobile phone without a network connection at all and youll then realize how horrible it isIf EFS is so important a thing, it must be preserved so that you might be able to use all connectivity features of your device. This thing is found in all mobile devices which have an IMEI International Mobile Equipment Identity number assigned to it but the location and directory where it is stored might differ. On Samsung Galaxy devices, the IMEI and other connectivity data are stored in this particular folder that I have been mentioned several times so far. What is EFS Having read about the role of EFS on your Samsung Galaxy phone or tablet device, you must be a little more curious to know something more about it. EFS is a system directory that contains device specific essential information such as its IMEI, wireless device MAC address, baseband version, product code, system ID and NV data. In case the EFS directory is corrupted or lost, your phone or tablet is sure to lose its IMEI number and wireless and network connectivity. You might ask how and why does the EFS data on your device might be lost or get corrupted The answer is pretty simple and the reason might be a daring activity on your part. Sometimes flashing a custom Kernel as reported by some users and in most cases installing a custom ROM is responsible of the EFS data loss. In this way, the EFS or IMEI loss is deeply related with what you do after rooting your Samsung Galaxy device. Keeping this thing in mind most of our ROM developers insert a script that automatically creates a backup of the EFS data on the external SD Card so that you might restore it back in case of loss or corruption. But it is certainly not wise to rely blindly on the wisdom of others. That is why, whenever we write installation tutorials for custom ROMs for Galaxy device, we warn users to backup EFS before indulging in any custom development activity. Sadly, most people come to know about the thing called EFS only when it is too late. Once lost without being backed up, recovering it becomes very much like a wild goose chase. You might have heard or faced personally the issue when your device shows inability to mount EFS E failed to mount efs invalid argumentIf you get this message on your phones screen, believe me you have got into a serious problem. Attachment/pak-gsm/2010/07/202.jpg' alt='Samsung Imei Change Tool' title='Samsung Imei Change Tool' />Of course, there are ways to restore EFS data, but they are either not available for all devices online or they do not work at all. It has been well said that prevention is better than cure and this saying hold quite true in this case too. Therefore, the first thing that one must do just after rooting and installing a custom recovery ones device is to backup the EFS and the stock rooted firmware. For more enlightening tips, do not forget to read the following article Things to Do Before and After Installing a Custom ROMReasons for EFS Data Loss or Corruption Manually upgrading and downgrading firmware. Download Time Tech F10 Software Development. Some users reported that they lost their IMEI during official OTA update. Of Payroll System. Installing a custom ROM or mod might mishandle system configuration, resulting in corrupt EFS. Any kind of bad flashing, clash between new and old kernel systems can also lead to the EFS data corruption and IMEI loss. Tools and Methods to Backup and Restore EFSEFS Professional As the very title of this article says, we are going to tell about a very easy solution to backup the EFS on your Samsung Galaxy device. It is a simple but wonderful tool developed by XDA member Liquid. Perfection that makes this job a plaything that can be done by anybody. The tool is called EFS Professional and it supports most Galaxy range of Android devices from Samsung. The latest version of the software also supports Samsung Galaxy S4 International GT I9. Find out how to use and troubleshoot your Samsung Galaxy Note8 with interactive simulators, howto guides and support videos. What is IMEI number in telecommunications, how to find IMEI, how is IMEI structured, how to check if IMEI is valid and more. A lot of phones can be unlocked online for free. Some codes can be found free while newer can be offered for some charge. Galaxy S4 LTE GT I9. AT T S4 SGH I7. Verizon Galaxy S4 SCH I5. I have also tested it on Galaxy S3, S2, Note 2 and Note 1. Besides, EFS Professional works with other Galaxy phones and tablets too. Features of  EFS Professional Backup and restore partition images to and from in. Detects backup archives automatically on the device and PC for hassle free restoring. Device filter support to allow displaying important partitions for various devices. Extract and read devices PIT file to ensure efficient and accurate backup and restore operations. Check MD5 hash to verify integrity of data written. Format EFS to wipe all data and recreate partition. Samsungs Qualcomm devices support. Option to display various device, ROM and Busy. Box related information at the click of a button. Restore NV data from internal. IMEI number. Repair NV data file ownership to fix Unknown baseband and No signal issues. NV Backup and NV Restore options for US device variants only. Requirements Before you can backup your devices EFS data safely to your device and PC both, here are a few things that must be taken care of A Samsung Galaxy Device with root access custom recovery not needed. If you have not yet rooted your device, you can do it using our easy rooting tutorials. The EFS Professional tool EFSProfessional2. Release. zip  Mirror LinkMicrosoft. NET Framework installed on your computer dot. Net. Fx. 40Fullsetup. Samsung USB Drivers or Kies installed on your PC Download. Install Busy. Box app stable version 1. Install the app on your phone open it. Tap on Busy. Box version number and select Busy. Box 1. 2. 0. 2. Finally, then tap on Install and install it as Smart Install. Charge your device to ensure 6. Turn on USB Debugging mode on your phone or tablet from Developer Options on your device Read this Guide. Unlocking equipment tools for Samsung mobile phones, Unlock software unlocker hardware GSM Samsung cell phone, Nspro, Ns pro, UST pro, tornado, furious. New Samsung pro activation or z3x box resealed recently in April 2015 takes the mobile unlocking to a new level. Z3x team has developed new algorithm that allows. Login to your Samsung account. Please login to complete your purchase, benefit from our best deals, track your orders and much more. Dont have a Samsung AccountUsing EFS Professional to Backup EFS So, do you think you are ready for action now Make sure you have made all preparations detailed above. If yes, lets get started now. Extract the EFSProfessional. Connect your Galaxy device to PC using an USB cable. Make sure USB Debugging is enabled. Run EFS Professional. Doing this will prompt a popup window like shown below Click on EFS Professional. You will now see a new window. Once the device is detected, the lower part of the window will show the device status and info such as model number, firmware version, root and Busy. Box version, etc. Click on Backup tab and then click on Device Filter dropdown and select your phone model. If you do not see it listed, click on Refresh button and then select it. EFS Professional will now show the system partition where the EFS data of your device is located. Check the Select All box. Finally, click on Backup and your EFS data will be backed up to your phone and the PC both. The backup on PC can be found in the EFS Professional folder inside EFSPro. Backup and it looks like this GT I9. How to Restore EFSIMEI Having backed up your EFS data, you might take a calm breath and feel a sense of security but it is also important to be familiar with the method how you can restore it back to your Samsung Galaxy device in case you lose it. Connect your device to PCLaunch EFS Professional and click on Restore tab. Now click on the drop down menu in Restore options part of the window and select the previously backed up file. Hp 4600 Workstation Audio Drivers.