The Celkon A21 is a discontinued smartphone with a 4-inch touchscreen display, a 1.2GHz dual-core processor, a 512MB RAM, a 4GB internal storage, a 5MP rear camera, and a 0.3MP front camera.
Celkon A21 Price
At the time of it's release in 2014, the manufacturer's retail price for a new Celkon A21 was about 60 EUR.
The retail price of a new or used/second hand Celkon A21 varies widely depending on factors including availability, condition of device, your town or location and market demand. Click here to compare the price of Celkon A21 across different regions, markets and countries.
Frequently Asked Questions(FAQs)
What is the battery capacity of Celkon A21?
The battery capacity of Celkon A21 is 1400 mAh
What is the processor type of Celkon A21?
The processor type of Celkon A21 is 1.2 GHz Quad Core
What is the display size of Celkon A21?
The display size of Celkon A21 is 4 inches
How to reset or factory restore Celkon A21 device?
To reset or factory restore a Celkon A21 device, please follow these steps: Step 1: Backup important data Before resetting the device, it is important to back up all important data, including contacts, messages, photos, music, and any other personal information stored on the device. This can be done using the device's backup feature or by transferring the data to an external storage device or cloud storage service. Step 2: Charge the device Make sure the device is fully charged before starting the reset process. A low battery can cause the reset process to fail or take longer. Step 3: Access recovery mode To access recovery mode, turn off the device and then press and hold the power button and volume up button simultaneously. Keep pressing both buttons until the recovery menu appears. Step 4: Select factory reset Using the volume buttons, navigate to the "Wipe data/factory reset" option and select it using the power button. Confirm the reset by selecting "Yes" when prompted. Step 5: Wait for the reset process to complete The reset process will take several minutes to complete. Do not interrupt the process or turn off the device until it is finished. Step 6: Set up the device After the reset process is complete, the device will restart in its initial setup mode. Follow the on-screen prompts to set up the device, including creating a new user account and restoring any backed-up data. It is important to note that resetting a device to factory settings will erase all data and settings, so it is important to take appropriate precautions before starting the process. Additionally, if the device is still under warranty, it is recommended to first contact the manufacturer for assistance with resetting the device.
Specifications
Network
| Technology | GSM / HSPA |
|---|---|
| 2G bands | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G bands | HSDPA 2100 |
| Speed | HSPA |
Launch
| Announced | 2014. Released 2014 |
|---|---|
| Status | Discontinued |
Body
| Dimensions | 124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in) |
|---|---|
| Weight | 115.3 g (4.06 oz) |
| SIM | Dual SIM (Dual stand-by) |
Display
| Type | TFT |
|---|---|
| Size | 4.0 inches, 47.6 cm2 (~57.8% screen-to-body ratio) |
| Resolution | 320 x 480 pixels, 3:2 ratio (~144 ppi density) |
Platform
| OS | Android 4.2.2 (Jelly Bean) |
|---|---|
| Chipset | Mediatek MT6582 (28 nm) |
| CPU | Quad-core 1.3 GHz Cortex-A7 |
| GPU | Mali-400MP2 |
Memory
| Card slot | microSDHC |
|---|---|
| Internal | 512MB 256MB RAM |
Main Camera
| Single | 3.15 MP |
|---|---|
| Video | Yes |
Selfie camera
| Single | 1.3 MP |
|---|---|
| Video |
Sound
| Loudspeaker | Yes |
|---|---|
| 3.5mm jack | Yes |
Comms
| WLAN | Wi-Fi 802.11 b/g/n |
|---|---|
| Bluetooth | 4.0, A2DP |
| Positioning | No |
| NFC | No |
| Radio | FM radio |
| USB | microUSB |
Features
| Sensors | Accelerometer |
|---|
Battery
| Type | Li-Ion 1500 mAh battery |
|---|---|
| Stand-by | Up to 120 h (3G) |
| Talk time | Up to 8 h (3G) |
Misc
| Colors | Black, Blue, Red |
|---|---|
| SAR EU | 0.99 W/kg (head) 1.39 W/kg (body) |
| Price | About 60 EUR |
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