This article will show you how you can remove a phone number from the blacklist (list of blocked numbers) on Android.
Steps
Method 1 of 4: Google Pixel

Step 1. Launch the Phone application
You can find this app on the home screen or in the app drawer. Its icon looks like a telephone receiver. This method can be used on all Google, Motorola, OnePlus or Lenovo phones.

Step 2. Push ☰
It's in the upper-left corner of the screen.

Step 3. Click Settings

Step 4. Scroll down and tap Blacklist
A list of blocked phone numbers appears.
-
You can open the black list in another way. Return to the Phone app and press ⁝ (located in the upper right corner), select Settings and then Call blocking.
Unblock a Number on Android Step 5 Step 5. Enter the number you want to unblock
A confirmation message appears.
- If there is an icon to the right of the phone number Xthen click on it.
Unblock a Number on Android Step 6 Step 6. Click Unblock
Calls will start coming from this number again.
Method 2 of 4: Samsung Galaxy
Unblock a Number on Android Step 7 Step 1. Launch the Phone application
You can find this application on the home screen. Its icon looks like a telephone receiver.
Unblock a Number on Android Step 8 Step 2. Click on ⁝
This button is at the top of the screen.
Unblock a Number on Android Step 9 Step 3. Click Settings
Unblock a Number on Android Step 10 Step 4. Click Blocked Numbers
Unblock a Number on Android Step 11 Step 5. Click on the - (minus) next to the number you want to unblock
This will remove this number from the blacklist.
Method 3 of 4: HTC
Unblock a Number on Android Step 12 Step 1. Press the call button on HTC
It's a telephone receiver icon. It's usually found on your home screen or app drawer.
Unblock a Number on Android Step 13 Step 2. Click on ⁝
It's in the upper-right corner of the screen.
Unblock a Number on Android Step 14 Step 3. Tap Blocked contacts
A list of blocked numbers will appear.
Unblock a Number on Android Step 15 Step 4. Press and hold the number you want to unblock
A menu will open.
Unblock a Number on Android Step 16 Step 5. Tap on Unblock contacts
A confirmation message appears.
Unblock a Number on Android Step 17 Step 6. Press ←
The contact you selected will be unblocked.
Method 4 of 4: Asus Zenfone
Unblock a Number on Android Step 18 Step 1. Launch the Phone application
This is a handset-shaped icon usually found on the home screen or in the app drawer.
Unblock a Number on Android Step 19 Step 2. Click on ⋯
This button is located in the upper right corner of the screen.
Unblock a Number on Android Step 20 Step 3. Click on Blacklist
A list of blocked contacts and phone numbers will open.
Unblock a Number on Android Step 21 Step 4. Click Remove from Blacklist
A confirmation message appears.
Unblock a Number on Android Step 22 Step 5. Press ←
This contact or phone number will be unblocked.