iTel

itel Super 26 Ultra S688LN

Official itel Super 26 Ultra stock firmware — flash file, stock ROM & IMEI repair file, free direct download.

Unisoc 1 ROM 8.1 GB total
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Model code S688LN
Quick answer

The itel Super 26 Ultra (model code S688LN) has 1 official stock firmware file (flash file / stock ROM) available for free download on ROM Palace. The device runs on the Unisoc T7300. 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 itel Super 26 Ultra to its original factory software.

Specifications

⚙️Chipset
Unisoc T7300
🖥️Display
6.8" AMOLED
🔋Battery
6000 mAh
💾Memory
8/128GB, 8/256GB
🤖OS
Android 15, itel OS 15
⚖️Weight
168 g
🧭Sensors
Fingerprint (under-display)
📶Connectivity
Wi-Fi, Bluetooth, GPS, NFC, USB-C
📷Camera
Main50 MP
Front32 MP
Bannerad space

itel Super 26 Ultra stock firmware & flash files (1)

15.1.2.155SP04 Latest
🌍 Global (Open) 8.06 GB · ZIP · 2026-05-07
Download
📖 Step-by-step: how to flash itel Super 26 Ultra 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 itel Super 26 Ultra

Compare the current itel Super 26 Ultra price at these stores. We show the marketplaces available in your country — prices and availability vary by region.

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Frequently asked questions

How do I flash the itel Super 26 Ultra stock firmware?

Download the stock ROM / flash file for your exact itel Super 26 Ultra (S688LN), 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 itel Super 26 Ultra firmware?

Flashing official stock firmware is safe as long as you use the correct stock ROM / flash file for your exact model code (S688LN). Flashing the wrong firmware can brick the device, so always confirm the model code before flashing.

Are these itel Super 26 Ultra ROM downloads free?

Yes. Every itel Super 26 Ultra firmware file on ROM Palace is free to download with a direct link — no subscription and no waiting queue.

What problems can itel Super 26 Ultra 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 itel Super 26 Ultra to its original factory software.

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