Download the official Karbonn A21 firmware (Stock ROM) to resolve software issues and restore your device. This package contains the Flash Tool, USB Driver, and visual instructions. File Size: 392 MB.
Get Karbonn A21 Flash File
📂 Karbonn A21 Firmware Specifications
| Package Name | Karbonn_A21_591317_8374_V0316.zip |
| Model Number | Karbonn A21 |
| Size | 392 MB |
| Download |
📂 ROM Details
| Package Name | Karbonn_A21_592517_8550_V000223.zip |
| Size | 280 MB |
| Download |
📂 ROM Details
| Package Name | Karbonn_A21_592517_8550_V000230.zip |
| Size | 280 MB |
| Mirrors |
📂 ROM Details
| Package Name | Karbonn_A21_592517_8550_V006005.zip |
| File Size | 440 MB |
| Mirrors |
🛠️ Essential Tools
Installation Guide: Karbonn A21
Use this guide to flash the firmware on your Karbonn A21 correctly. Ensure your battery is charged.
Phase 1: Setup
Get the firmware and unzip it on your PC. Check that you have the Flash Tool and USB Drivers inside the folder.
Step 2: Install Drivers
Install the provided USB Drivers so your computer detects the Karbonn A21.
Step 3: Flash
Launch the Flash Tool, load the firmware file, and plug in your device as instructed. Click "Start" to begin flashing.
FAQ: Karbonn A21
Is this Karbonn A21 firmware official?
Yes, the firmware provided here is 100% official from the manufacturer for Karbonn A21.
Does flashing Karbonn A21 delete data?
Yes, flashing Karbonn A21 stock firmware typically wipes user data. Please backup your data before proceeding.
What is the Karbonn A21 file size?
The Karbonn A21 firmware file size is 392 MB. Make sure you have enough storage space.
Are the download links safe?
Yes, all download links provided are 100% safe and scanned for malware. We provide direct links to official firmware files.
If you encounter any problem installing Karbonn A21, kindly comment down below.
