How to recover deleted contacts on Samsung Galaxy A51: a complete guide

Have you deleted important contacts on Samsung Galaxy A51 and don’t know how to get them back? The situation is familiar to many: an accidental press, a reset, or a system crash - and the entire phone book disappears. Fortunately, in most cases, recovery is possible even if you didn't make backups beforehand. In this article, we will analyze all the available methods - from standard functions Android to specialized utilities.

The model Galaxy A51 (released in 2020) supports synchronization with Google Account, Samsung Cloud and saving contacts to a SIM card. This greatly simplifies the recovery process. However, if synchronization has been disabled, you will have to use alternative methods - for example, apps to scan the device memory. It is important to act quickly: the less time has passed since deletion, the higher the chances of success.

Before you begin, check if your contacts are hidden. Sometimes users confuse deletion with filtering in the application Contact. Open the filter menu (three dots in the upper right corner) and make sure that all groups are displayed (All contacts, Google, Device etc.).

1. Restoring via Google Account

If synchronization with Samsung A51 , you can get your contacts back in a few minutes. This method works even after a full factory reset of the phone. The main condition is that you must have logged into the same account Googlewas enabled on your Gmailas before deletion.

Instructions:

• 📱 Open the application Contact on your phone.
• 🔄 Click on the three horizontal lines (menu) → Settings → Manage contacts.
• ☁️ Select Synchronize contacts and turn on the switch for your Google account.
• ⏳ Wait 5-10 minutes - contacts will start loading automatically.

If contacts do not appear, check if synchronization is disabled in your account settings:

1. Go to Settings → Accounts and archiving → Management accounts.
2. Select your Google account.
3. Make sure the slider opposite Contact is active.

Important: Google stores deleted contacts in the trash 30 days. If less than this time has passed, you can restore them through the web version Google Contacts:

1. Open contacts.google.com on your computer or phone.
2. In the left menu, select Trash.
3. Mark the desired contacts and click Restore.

⚠️ Attention: If you added a new contact with the same name as the deleted one, restoring from the Recycle Bin may result in a duplicate. Before the procedure, it is recommended to export your current contacts to a file. Using Samsung Cloud .vcf (through Settings → Export in Google Contacts).

2. Using Samsung Cloud

Samsung Cloud is a proprietary cloud storage from Samsungthat automatically backs up contacts if the function is enabled. Unlike Google, here you can restore data even after resetting the phone, but with one caveat: backups are stored only 15 days for free accounts.

How to restore:

• ☁️ Go to Settings → Accounts and backup → Samsung Cloud.
• 🔍 Press Restore data and select Contact.
• 📅 Specify the date of the backup (before deleting contacts) and confirm the restoration.

If the option Restore data is inactive, check:

• 📶 Internet connection (preferably via Wi-Fi).
• 🔋 Level battery charge (must be above 30%).
• 📥 Availability of backups in Settings → Samsung Cloud → Storage management.

Recovery method	Retention period for deleted data	Internet required	Works after reset
Google Account	30 days (cart)	Yes	Yes
Samsung Cloud	15 days (free)	Yes	Yes
SIM card	Permanently (if not overwritten)	No	Yes
Third-party apps (for example, Dr.Fone)	Until memory overwrite	No	Partially

⚠️ Attention: Samsung Cloud since 2021, limited free storage to 5 GB and reduced the storage period of backups. If you do not pay for an advanced plan, older copies (older than 15 days) may be deleted automatically. Check the current conditions in the application Samsung Cloud.

3. Recovering from a SIM card

If contacts were saved to a SIM card, you can easily import them back to your phone. This method is suitable if you manually copied numbers to the SIM before deleting them. Please note that SIM cards store a limited number of contacts (usually up to 250) and do not support additional fields (for example, email or address).

Step-by-step guide:

1. Insert the SIM card into Samsung A51 (if it is not in the phone).
2. Open the application Contact.
3. Click on the three dots (menu) → Settings → Manage contacts.
4. Select Import/Export contacts → Import from SIM card.
5. Specify where to save contacts (for example, in Google Account or on Device).

Method limitations:

• 📵 Only names and numbers are stored on the SIM card (without photos, notes, etc.).
• 🔢 The number of contacts is limited by the SIM capacity (usually 200–250 records).
• 🔄 Possible during import duplicates if contacts already exist in the phone.

4. apps for recovering deleted data

If standard methods do not help, you can use specialized utilities such as Dr.Fone, EaseUS MobiSaver or DiskDigger. These apps scan internal memory Samsung A51 and recover deleted files, including contacts. Success depends on whether the data was overwritten after deletion.

How recovery works:

• 🔍 The app scans the phone's memory for "traces" of deleted contacts.
• 📂 Finds database files (contacts.db, contacts2.db).
• 🔄 Recovers records if they were not overwritten by new data.

Instructions for Dr.Fone (using Windows as an example):

1. Download and install the app from official website.
2. Connect Samsung A51 to the computer via USB (turn on USB Debugging to Settings → About phone → Build number - press 7 times, then return to Settings → System → Developer mode).
3. In the app, select Android data recovery → Contact.
4. Follow the prompts to scan the device.
5. After completion, select the desired contacts and click Recover.

Important: The less you use the phone after deleting contacts (do not install new applications, do not save files), the higher the chances of successful recovery. Each new entry into memory reduces the likelihood of returning old data.

Why apps do not always find. deleted contacts?

When you delete files, they are not immediately erased - they are marked as "free space" and can be overwritten with new data. If you downloaded apps, took photos, or updated the system after deleting contacts, your chances of recovery drop dramatically. In addition, some apps do not support new versions of Android (for example, Samsung A51 works on Android 10/11/12 depending on updates).

5. Restoring via a computer backup

If you have previously backed up contacts on a PC (for example, via Samsung Smart Switch or Kies), you can import them back. This method is reliable, but requires preliminary preparation.

How to restore via Smart Switch:

1. Install Samsung Smart Switch on your computer.
2. Connect Galaxy A51 via USB.
3. In the app, select Restore → specify the backup file (usually with the extension .spb).
4. Mark Contact and start the process.

Alternative - manual import from file .vcf:

• Copy the backup file (for example, contacts_backup.vcf) to the phone.
• Open the application Contact → menu → Settings → Import/Export.
• Select Import from a .vcf file and specify the path to the copied file.

⚠️ Attention: When restoring from a backup Smart Switch can overwrite current contacts. If there are important numbers on the phone that were not in the backup, first export them to a separate file .vcf.

6. Contact the Samsung service center

If none of the methods worked, and the contacts are critical (for example, work ones) numbers or customer data), you can contact Samsung authorized service center. Specialists have access to professional tools for extracting data from internal memory, including deleted contacts.

What you need to know before your visit:

• 💰 The cost of the service depends on the complexity (from 1,500 to 5,000 rubles).
• ⏳ The process can take from several hours to 2-3 days.
• 📱 You must provide the phone in its original condition (do not reset!).
• 🔐 You may need proof of ownership (receipts, box).

Service service addresses centers can be found at Samsung official website. Before your visit, check by phone whether they provide data recovery services - not all centers deal with such tasks.

7. How to avoid losing contacts in the future

To no longer face the problem of deleted contacts, set up automatic synchronization and backup. On Samsung Galaxy A51 it takes no more than 5 minutes.

Recommendations:

• ☁️ Enable synchronization with Google Account:

Settings → Accounts and archiving → Account management → Google → Contact synchronization (enable)

• 🔄 Set up automatic backup in Samsung Cloud:

Settings → Accounts and archiving → Samsung Cloud → Data backup (enable)

• 📤 Regularly export contacts to a file .vcf:

Contacts → Menu → Settings → Export

• 📱 Use backup applications, for example Super Backup & Restore (free on Google Play).

Also useful:

• 🔐 Set a password or fingerprint to lock the application Contact (via Settings → Biometrics and security → Other security settings → App blocking).
• 📌 Periodically check that synchronization is working (go to Google Contacts and make sure that contacts are displayed).

FAQ: Frequently asked questions

Is it possible to restore contacts if the phone does not turn on?

Yes, but only if synchronization with Google or Samsung Cloudwas previously enabled. In this case, contacts can be used. return by logging into your account on another device. If there was no synchronization, you will need professional data recovery from the memory chip (this is expensive and not always possible).

How much does it cost to restore contacts in a service center?

The price depends on the region and complexity. On average in Russia - from 1,500 to 5,000 rubles. Some centers may charge a fixed fee for diagnostics. (about 500 rubles), even if recovery turns out to be impossible.

Is it possible to restore contacts after resetting to factory settings?

Yes, if synchronization with Google or Samsung Cloudwas enabled before the reset. After the reset, just log into your account. account, and the contacts will be downloaded automatically. If there was no synchronization, the chances are minimal - the data on the device is deleted permanently.

Why don’t recovery apps find my contacts?

Probable reasons:

• The data was overwritten by new files (for example, after installing applications or updating system).
• The phone has data encryption enabled (in this case, recovery is almost impossible).
• The app does not support your version of Android or phone model.

Try several utilities (for example, Dr.Fone and EaseUS MobiSaver) - they use different scanning algorithms.

How to check if contact synchronization is enabled?

Open Settings → Accounts and archiving → Account management. Select your Google account and make sure that the switch opposite Contact is active. For Samsung Cloud check the section Settings → Accounts and archiving → Samsung Cloud → Synchronization and auto-reservation.