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Infinix

Infinix Smart 20

3 ROMs 19.3 GB total
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Model code X6840B

Specifications

⚙️Chipset
MediaTek Helio G81 Ultimate
🖥️Display
6.78" IPS LCD · 120Hz
🔋Battery
5200 mAh · 15W
📷Camera
Main8 MP
Front8 MP

This page lists all available official Infinix Smart 20 (X6840B) stock firmware and flash files. Use these ROMs to unbrick your device, fix a bootloop or software crash, downgrade, remove FRP, or restore your Infinix Infinix Smart 20 to its original factory software with a flash tool.

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Available firmware (3)

⬢
16.1.0.150SP02
OP001PF001AZ 7.06 GB · ZIP · 2026-05-07
Download
⬢
16.1.0.150SP02
RU001PF001AZ 6.11 GB · ZIP · 2026-05-07
Download
⬢
16.1.0.140SP11
RU001PF001AZ 6.09 GB · ZIP · 2026-05-07
Download
Heads up. Download links stay valid for 3 hours for security. Flashing firmware can void your warranty or brick your device — proceed at your own risk and always back up your data first.

Reviews & videos

▶ Video reviews on YouTube ↗ 📱 Specs & reviews on GSMArena ↗ 🔍 More reviews on the web ↗

Review links open on third-party sites. ROM Palace is not affiliated with them and hosts no copied review content.

Frequently asked questions

How do I flash the Infinix Smart 20 stock firmware?

Download the firmware for your exact Infinix Smart 20 (X6840B), extract the archive, then flash it with SP Flash Tool for MediaTek devices or the matching tool for your chipset. Back up your data first and charge the battery above 50%.

Is it safe to flash Infinix Smart 20 firmware?

Flashing official stock firmware is safe as long as you use the correct ROM for your exact model code (X6840B). Flashing the wrong firmware can brick the device, so always confirm the model code before flashing.

Are these Infinix Smart 20 ROM downloads free?

Yes. Every Infinix Smart 20 firmware file on ROM Palace is free to download with a direct link — no subscription and no waiting queue.

What problems can Infinix Smart 20 stock firmware fix?

Stock firmware fixes bootloops, a device stuck on the logo, software crashes, failed OTA updates, and can remove FRP or restore the Infinix Smart 20 to its original factory software.

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