Recover Samsung Data after Upgrade to Android 7.0 Nougat

"Basically, I upgraded my Samsung Galaxy S7 dge to Android 7.0 Nougat last night. Today I got a call, showing no caller id, except a contacts. I proceeded to check my contacts. Behold! All my contacts were gone and replaced with email contacts. I am wondering how can I recover lost files after upgrade Galaxy S7 to Android 7.0 Nougat."--Ask by Lula

The development of Android OS is so fast, many Android devices get a new firmware update gradually. Recently, a number of Android devices will get Android 7.0 update from official providers.

Lost Contacts on Samsung Phone After Upgrade to Android 7.0 Upgrade

When you do update for your Android device, data loss may occur because of system formatting, forgetting to back up, even phone system crash when system updating. Then, you may be frustrated to how to restore samsung lost data back including calendar, contacts, text messages, videos, photos, apps, call history, notes and more, so Android phone data recovery is likely to be a trouble after happiness of getting update.

Samsung Data Recovery, is specially designed for recover lost contacts from Samsung Galaxy. It will extract lost contacts directly from your device and you don’t need to input your phone numbers one by one again. In addition, messages, videos, music, and other file types are also can be restored.

Here is a free trial version app for you. Be sure to choose the right one for your computer.

This program applies to all currently popular Samsung Galaxy smartphones:
Samsung Galaxy Note 7, Note 5, Samsung Galaxy Note III, Samsung Galaxy S7/S7 Edge, Samsung Galaxy S6, Samsung Galaxy S6 Edge, Samsung Galaxy S5, Samsung Galaxy S4, Samsung Galaxy Note Edge, Samsung Galaxy Note 4, Samsung Galaxy Note 3, Samsung Galaxy Ace, Samsung Galaxy Y, Samsung Epic, Samsung Galaxy Grand.

Step by Step to Recover Lost Samsung Contacts After Android 7.0 OS Upgrade

Step 1. Connect Your Samsung Device to Your Win or Mac

After downloading, install and run it on your computer. And connect your Samsung Galaxy to PC via USB cable.

Step 2. Enable USB Debugging on Samsung Galaxy

What you need to do next is to enable USB debugging on your device. Choose the right way for your phone among these three options.
1)For Android 5.0 or newer: Tap "Settings" > "About Phone" to tap "Build number" seven times for "You are now a developer!" signal. Then, move to "Settings" > "Developer options" to turn on "USB debugging"
2) For Android 4.2 to 4.4.4: Move to "Settings" > "About Phone" > Tap "Build number" for several times until "You are under developer mode" appears > "Settings" > "Developer options" > Check "USB debugging"
3) For Android 3.0 to 4.1: Enter "Settings" > "Developer options" > Tick "USB debugging"
4) For Android 2.3 or earlier: Go to "Settings" > "Applications" > "Development" > Tick "USB debugging"

Step 3. Begin Analyzing Your Samsung Galaxy

When your Galaxy is successfully detected by the app, you will see the following window. Continue to click "Start" button for scanning your device.

Step 4. Check and Restore Deleted Phone List

The scan will cost you a few minutes. Then you will see all the scanned out results listed by the program. Click “contacts” on the left and tick “only display deleted items” for lost phone numbers. Now you can preview and mark those you want to click “recover”. All the steps are completed and you need to wait for a moment before the app saves them on your computer.