Infinix

Infinix Smart 20 X6840B

Official Infinix Smart 20 stock firmware — flash file, stock ROM & IMEI repair file, free direct download.

MediaTek 5 ROMs 33.0 GB total
⇄ Compare with another device
Model code X6840B
Quick answer

The Infinix Smart 20 (model code X6840B) has 5 official stock firmware files (flash file / stock ROM) available for free download on ROM Palace — the latest released in Jun 2026. The device runs on the MediaTek Helio G81 Ultimate. Each download is a direct, resume-supported link used to unbrick the phone, fix a bootloop, remove FRP, repair a corrupt or null IMEI, downgrade, or restore the Infinix Smart 20 to its original factory software.

Specifications

⚙️Chipset
MediaTek Helio G81 Ultimate
🖥️Display
6.78" IPS LCD · 120Hz
🔋Battery
5200 mAh · 15W
💾Memory
4 GB RAM · 64/128 GB
🤖OS
Android 16, XOS 16
📐Dimensions
167.7 x 78.8 x 7.7 mm
🧭Sensors
Fingerprint (side), accelerometer, proximity, compass
📶Connectivity
Wi-Fi 5 · BT 5.3 · NFC · USB-C
📷Camera
Main8 MP
Front8 MP
Bannerad space

Infinix Smart 20 stock firmware & flash files (5)

16.2.0.150SP07 Latest
🌍 Global (Open) 7.33 GB · ZIP · Jun 2026
🌐 Released in 22 countries

Algeria · Azerbaijan · Bahrain · Egypt · Georgia · Kenya · Kuwait · Kyrgyzstan · Libya · Malaysia · Mongolia · Morocco · Oman · Qatar · Somalia · Tajikistan · Tunisia · Turkmenistan · Ukraine · United Arab Emirates · Uzbekistan · Yemen

Download
16.2.0.150SP07 Latest
🇷🇺 Russia 6.39 GB · ZIP · Jun 2026
🌐 Released in 3 countries

Belarus · Kazakhstan · Russia

Download
16.1.0.150SP02
🌍 Global (Open) 7.06 GB · ZIP · 2026-05-07
Download
16.1.0.150SP02
🇷🇺 Russia 6.11 GB · ZIP · 2026-05-07
🌐 Released in 1 country

Russia

Download
16.1.0.140SP11
🇷🇺 Russia 6.09 GB · ZIP · 2026-05-07
🌐 Released in 1 country

Russia

Download
📖 Step-by-step: how to flash Infinix Smart 20 stock firmware safely →
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.

Where to buy the Infinix Smart 20

Compare the current Infinix Smart 20 price at these stores. We show the marketplaces available in your country — prices and availability vary by region.

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Reviews & videos

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Frequently asked questions

How do I flash the Infinix Smart 20 stock firmware?

Download the stock ROM / flash file for your exact Infinix Smart 20 (X6840B), extract the archive, then flash it with SP Flash Tool (SPFT) for MediaTek (MTK) devices, or the SPD Upgrade / ResearchDownload tool for Unisoc/Spreadtrum (SPD) chipsets. Back up your data first and charge the battery above 50%. See our step-by-step flashing guide for details.

Is it safe to flash Infinix Smart 20 firmware?

Flashing official stock firmware is safe as long as you use the correct stock ROM / flash file 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, can remove FRP, repair a corrupt or null IMEI, and restore the Infinix Smart 20 to its original factory software.

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