
There are easy ways to block, blacklist number or sms on ZTE R221. This tutorial covers how to reject calls, block unwanted call and sms, how to blacklist a number via ussd code, apk apps. so by using our tutorial you can block both calls and text messages.
About ZTE R221
ZTE R221 mobile phone was launched on 2010. The smartphone is powered by a processor with chipset, as for graphics it possesses GPU. The phone comes in 5MB internal memory. The Cellphone runs on operating system and is powered by a 1000mAh of Li-Ion battery.

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The phone comes with a 1.8" desplay size, TFT with a resolution of 128x160 pixels. It has a display aspect ratio of and ~20.1% of screen ratio with 65K of display colors.
The ZTE R221 camera on the back side packs Lens of VGA. The rear camera setup has features.
The front camera sports Lens of No for selfies, with features
The smartphone runs on operating system and packs 5MB of inbuilt storage that can be expanded via microSD (dedicated slot). The ZTE R221 is a Dual SIM (Mini-SIM). The smartphone measures 108 x 47 x 14 mm (4.25 x 1.85 x 0.55 in) (height x width x thickness) and weighs 80g (2.82 oz). It was launched in Black colors.
So lets move to how to blacklist, block or even unblock numbers call or sms on ZTE R221
Block a number on your ZTE R221 with Android 4.4 KitKat right from the call log:

- Click the phone app on your smartphone
- Head over to the three dots on the right up side of the screen
- Click Call Reject
- Press Reject calls from
- Tap Private numbers
- You can add numbers from here
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Through the setting menu of your ZTE R221
- Click on settings and click on Call
- click on Call Reject
- click on Reject calls from
- click on private numbers if you would like or simply add a number coming from your contact list
- Look for the contact you choose to block
Block a number on your ZTE R221 Using Third-Party Apps
You can easily make use of a third party apps that accomplish the task for yourself. All the apps in this article are free of charge and virus free!
Setup one of the following cell phone number blocker apps within your ZTE R221 by using the url following and enjoy the silence as before!

- Download
- Mr. Number - Caller ID & Spam Protection
- Developer: Hiya
- Price: Free+

- Download
- Call Blocker - Blacklist
- Developer: cxzh.ltd
- Price: Free+

- Download
- Calls Blacklist - Call Blocker
- Developer: Vlad Lee
- Price: Free+
How to Block Number / Call on ZTE R221 Using USSD Codes
You can use ussd code to block unwanted calls on your smartphone
How to bar all outgoing calls
*333*(enter password)# - To Activate
#333*(enter password)# - To Cancel
*#333# - Check Status
Block incoming calls
*353*(enter password)# - To Activate
#353*(enter password)# - To Cancel
*#353# - Check Status
https://phonemobs.com/how-to-block-blacklist-a-number-on-zte-r221/
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