Does your smartphone become slow? Does it hang? Do you want to reset it to restore its speed to the same level as when you bought your smartphone? Is there an ‘Insufficient Storage’ error on your smartphone? Have you forgotten your lock screen password? In this tutorial, we will guide you on How to reset/ factory reset Nokia T21?
How to bypass screen lock/ password in Nokia T21? (Bypassing screen lock becomes necessary when a user forgets the lock screen password or wants to remove pattern lock and wants to bypass the same.). Apart from this, we will also learn How to restore defaults on Nokia T21? How to wipe all data in Nokia T21?
Introduction – What is Reset?
With time, smartphones are becoming more assertive, fast, and more powerful than ever before. Thanks to the powerful hardware, which has brought an evolution in the smartphone industry. But there are a few problems, which exists since anticipation. Sometimes, we are unsure about certain features specific to our device. With time, smartphones usually become slow, and then we need to reset them. In this guide, we have provided solutions for slower devices, whether they hang or get slow, bypass the lock screen password protection, or in case an ‘insufficient storage’ error appears on the screen and storage becomes full. Sometimes one needs to reset the device when they want to give the device to someone in the family or sell it, and want that nobody should be able to access files and passwords.
In the following tutorial, we explained in detail how to master format/ reset Nokia T21 and make it as smooth and fast as you bought on the first day out of the store.
Caution: You must remember that Factory Reset/ Reset returns the device to the original factory state, like when you bought your device. Resetting your device deletes all the multimedia content and user files on your device, i.e., Apps including Data; apart from that comes pre-installed, Images, Documents, Audio Files, Video Files, and everything else stored in the internal storage of your device. We strongly recommend you back up your data before the reset so you won’t lose any critical, required data.
About Nokia T21
The Nokia G400 gets the specifications:
Model Numbers: N1530DL
Chipset: Qualcomm SM4350-AC Snapdragon 480+ 5G (8 nm
CPU: Octa-core (2×2.2 GHz Kryo 460 & 6×1.9 GHz Kryo 460)
GPU: Adreno 619
OS: Android 12
Internal: 64GB 4GB RAM
Camera: 48 MP, f/1.8, (wide), PDAF/ 5 MP, f/2.2, 115˚ (ultrawide)/ 2 MP, f/2.4, (depth)/ LED flash, HDR, panorama/ [email protected]/60fps
Display: 6.58 inches, 104.3 cm2 (~81.7% screen-to-body ratio)/ IPS LCD, 120Hz/ 1080 x 2408 pixels, 20:9 ratio (~401 ppi density)/ Corning Gorilla Glass 3
Battery: Li-Po 5000 mAh, non-removable/ Fast charging 20W/ Power Delivery 3.0
Now, let us move on to the procedures to reset Nokia T21. There are two ways: the first is through Settings/ Options, and the second way, we have to boot the device into the recovery mode. Though we suggest, you go through the recovery mode option, which is more effective since it cleans up the device while the Android OS is not accessing the cache files and the device is in turned off condition and running in recovery mode.
Before You Begin – Prerequisites
- Make sure your device Nokia T21 is turned on and accessible.
Check the battery charging level of your device; ensure that the device’s battery is charged to at least 75%, as it might take up to 1 hour to complete the process. If there is less than 50% power remaining on the battery, keeping the device plugged in a while performing the reset operation is suggested.
- Back up everything on your device! Make sure to back up your device, as the process removes all personal information and files.
- We recommend removing the microSD/ memory card before the factory reset.
- The process mentioned in this article applies to almost all the devices made by various manufacturers. The process supports various Operating System (OS)/ User Interface (UI) variants, but the key combinations/ things may be slightly different based on the smartphone model of the brand.
Part 1: Methods for Factory Reset (Hard Reset) Nokia T21
Method 1: Factory Reset Nokia T21 from Settings – Normal Mode
Before You Begin – Things to Check
Each Android Device might have different key combinations based on each manufacturer and UI/ Operating System customization. So, things may be slightly different on your particular tablet or smartphone model.
Ensure to remove any microSD card/memory cards before proceeding with resetting the device.
It can take an hour or more for the reset to complete. Make sure your device Nokia T21 is charged — ideally, it’s best to leave it plugged in during the reset process.
Step 1: First of all, navigate to Settings with a cogwheel icon, and then scroll down to the bottom and select System to continue, where you can configure Language, Time, Backup, and system updates.
Step 2: Then, navigate to the About Phone/ Advanced menu, which displays the advanced option and about operating system information of your device. Select Reset options, from where you can reset Network, apps, or Device completely.
Step 3: Now, select Erase all data (factory reset). The factory data reset will restore the device like it is bought just now out of the box.
Step 4: On the next screen, Select Reset Phone or Reset Tablet, located at the bottom of the screen.
Step 5: Then, on the next screen, you will be asked to confirm whether you’re sure that you want to reset the device or pressed it accidentally; select the option Erase Everything. You must be aware that it would delete all data from your phone, including backup copies stored on your device’s internal storage, and the process can’t be undone, including images, audio files, documents, contacts, and call logs, and would permanently erase other data. The process would not delete your uploaded data online, including Google Drive data, Facebook, Twitter, Instagram, etc.
Step 6: If there is no pattern lock or password set, the process should go smoothly. Otherwise, draw a screen pattern and enter the screen unlock password/ pin to continue. Now at this stage, the device would Reboot and show an ongoing progress screen indicating that the data is being erased.
Step 7: The Nokia T21 device would restart/ reboot once more following the operating system has finished wiping the entire data on the device, and it typically takes several minutes to boot up after reset. The interface would now show a screen similar to the one which appeared just after you purchased and unboxed your phone from the sales box.
Method 2: Factory Reset Nokia T21 – Hard Reset or Recovery Mode
The biggest drawback of the Android operating system is that, over time, Android devices become slower and frequently experience unpredictable slowdowns, glitches, and other problems. At that point, a fix must be found to get our device functioning again normally. Slowdowns might also be brought on by viruses; if virus scans and repairs are ineffective, the only option left is ‘Recovery Mode.’
Recovery Mode in Android enables devices to reboot as a fresh start without any virus or other issues that were previously causing the troubles. In recovery mode, we can access the Android device before the Android operating system itself is fully loaded. Recovery mode enables you to make the typically impossible changes while the device is running. We can get root access and restore the backup of the OS, which resets the device and deletes all user data.
Recovery Mode is not programmed as easily accessible by beginners. Recovery mode is designed for developers and is usually not required by beginner-level users or casual users. Though accessing the recovery mode can cause trouble for some, and if the same thing happens to you, reach your phone or tablet manufacturer for assistance.
Method 3: Factory Reset Nokia T21 from Recovery Mode
Accessing Recovery Mode requires the correct key combination, which can be different from the one written here. If default instructions presented here don’t work for your Nokia T21 device, then search the web for ‘Recovery mode,’ including the Make and Model, i.e., Nokia T21.
Step 1: Press and hold the power button for a few seconds, then a menu will appear with options like Power Off and Restart. Select Power Off.
Step 2: Your device will now turn off. Now, it’s time to wait for 5-6 seconds.
Step 3: Use the Key Combination to enter Recovery mode and boot your device. Depending on your model, you can use Volume Down to highlight Recovery Mode and the Power button to select. The most common options include password entry and language selection to enter recovery mode. You must keep holding the below-mentioned key combinations together/ simultaneously for a few seconds, according to the Android version, until the manufacturer logo is displayed.
Here is the dedicated list of the most common key combinations of most Android devices:
- Samsung: Power + Home + Volume Up
- Nexus: Power + Volume Up + Volume Down
- LG: Power + Volume Down
- HTC: Power + Volume Down
- Motorola: Power + Home
- Sony: Power + Volume Up OR Volume Down
- Pixel: Power + Volume Down
- Huawei: Power + Volume Down
- Xiaomi: Power + Volume Up
- OnePlus: Power + Volume Down
Remember that your device must be in turned-off status while using these key combinations.
If your device is not listed in the above list, try each method from the list; many devices are similar to others. One key combination might work; others might not.
If you cannot boot your Nokia T21 into recovery mode following the above key combination, contact your device’s manufacturer for guidance.
Step 4: Your device should be in Recovery Mode now; as soon as the ‘Android splash screen’ with the manufacturer logo appears, release the Key combination keys, i.e., Power and Volume Down buttons.
Step 5: It is worth bearing in mind that once you enter into Recovery mode, the touch screen is mainly disabled by manufacturers. As stated above, only hardware key combinations would work. Use volume up and down keys, highlighting Wipe data/factory reset.
Step 6: Now, press the power button to select Wipe Cache Partition to clear the device cache.
Step 7: Use the volume keys and power button to select Wipe data/factory reset. Follow the onscreen prompts to complete the factory data reset of the device. Once the process finishes, your Nokia T21 device will automatically reboot. Once done, the device would take several minutes to boot while optimizing the pre-installed applications and operating system.
Method 4: Factory Reset Nokia T21 with Google Find My Device
Step 1: First of all, visit official Google My Device website.
Step 2: Now, its time to Sign in to your Google Account.
Step 3: After signing in, you will see three options Play Sound, Secure device & Erase device.
Step 4: Tap on the option Erase Device. This process will wipe all content, and user data in a few moments.
After the factory data reset, it’s time to set up your Android device like a new one. Hoping that the process went smoothly for you and that your Nokia T21 has been reset.
Part 2: Unlock Nokia T21 (Remove Pattern Lock/ Unlock Forgot Password)
What to do if you forget your password? or pin? And losing access to your phone because the lock screen is locked. This problem is a complete nightmare once the user can’t access his phone, but with this tutorial, one can unlock his phone using two methods.
Method 1: Unlock Nokia T21 with Answering Security Questions
This method is helpful if you want to unlock or reset the pattern password without data loss. But, this method is only helpful if you have set up a security question under the Google Security Settings.
Step 1: After several failed attempts, an option would appear on the screen: Forgot Pattern and Forgot PIN/Password on the device screen. Just tap on it.
Step 2: Now, tap on the option Answer Questions, then enter the answers to the security questions asked as per your inputs while signing up for Google Account.
Step 3: This will unlock your Nokia T21 device if you have given correct answers.
Step 4: Then, on the next screen, the interface will ask you whether (Yes or No) you want to create a New PIN, Password, or pattern lock password for your device; select the Yes option and create a password or pattern lock of your choice.
Method 2: Unlock Nokia T21 with Google Account
Step 1: Nokia T21 will display Forgot Pattern and Forgot PIN/Password options after multiple unsuccessful attempts.
Step 2: Just login/Sign in to your Google Account by entering your Username and Password.
Nokia T21 smartphone will be unlocked after successful sign-in, allowing you to create a new PIN/Password and Pattern lock.