Nokia C21 Plus
Nokia C21 Plus is a Nokia firmware file listed under Nokia, distributed as Nokia_C21_Plus_SC9863_00WW_HPE_RP1A.201005.001_11_OTA.zip with a download size of 1.34 GB. It is built for the Unisoc (Spreadtrum) SC9863 chipset. It is flashed with SPD ResearchDownload (or UpgradeDownload). It was published on April 28, 2026. This page has been viewed 18 times. It is available to download free of charge. Before flashing, verify the file matches your exact device model and back up your data.
About Nokia C21 Plus
Nokia C21 Plus Stock Firmware (Flash File) The Flash File will help you Upgrade, Downgrade, or re-install the Stock Firmware (OS) on your Mobile Device. In addition, the Flash File (ROM) also enables you to repair the Mobile device if facing any Software Issue, Bootloop Issue, IMEI Issue, or Dead Issue. File Name: Nokia_C21_Plus_SC9863_00WW_HPE_RP1A.201005.001_11_OTA.zip File Size: 1.34 GB How to Flash (install): Copy the update.zip file to the phone SD and flash it through the stock recovery mode. Mirror 1 (Free)Mirror 2 (Paid)
File Details
| File name | Nokia C21 Plus |
|---|---|
| Package | Nokia_C21_Plus_SC9863_00WW_HPE_RP1A.201005.001_11_OTA.zip |
| Brand / Platform | Nokia |
| Category | Nokia |
| Chipset | Unisoc (Spreadtrum) SC9863 |
| Flash tool | SPD ResearchDownload (or UpgradeDownload) |
| Package format | ZIP archive |
| File size | 1.34 GB |
| Date added | April 28, 2026 |
| Price | Free |
How to flash Nokia C21 Plus with SPD ResearchDownload
- Confirm Nokia C21 Plus matches your exact device model and that the phone uses the SC9863 chipset.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (1.34 GB) using the button above and extract it on a Windows PC.
- Install the SPD / Unisoc USB drivers, then open SPD ResearchDownload (or UpgradeDownload).
- In the tool, load the .pac firmware file from the extracted folder.
- Start the flash, then press Start in the tool, then connect the powered-off phone while holding Volume Down (boot key).
- Wait for the success message before disconnecting. Leave "Erase NV" unticked unless you intend to wipe IMEI and calibration data.
Guides for this firmware
- Connecting Unisoc Phones to SPD ResearchDownloadSPD ResearchDownload (also known as UpgradeDownload) is a specialized flashing tool used to install stock firmware on devices powered by Unisoc (Spreadtrum) chipsets. To connect a phone to this tool…
- Flashing .pac Files with SPD ResearchDownload GuideSPD ResearchDownload (also known as UpgradeDownload) is a specialized flashing tool used to install stock firmware on devices powered by Unisoc (Spreadtrum) chipsets. It is primarily used to unbrick…
- How to Use SPD ResearchDownload: Firmware Flashing GuideSPD ResearchDownload (also known as UpgradeDownload) is a specialized flashing tool used to install stock firmware on devices powered by Unisoc (Spreadtrum) chipsets. It allows technicians and users…
Frequently asked questions
Is Nokia C21 Plus free to download?
Yes, Nokia C21 Plus can be downloaded free of charge from this page.
How large is the download?
The Nokia C21 Plus package is 1.34 GB.
Which tool do I need to flash Nokia C21 Plus?
Nokia C21 Plus is Unisoc (Spreadtrum) SC9863 firmware, so it is flashed with SPD ResearchDownload (or UpgradeDownload) using the .pac firmware file.
Which devices is this firmware for?
This file is intended for Nokia devices. Always confirm it matches your specific model before flashing.