| Symptom | Immediate Action | | :--- | :--- | | Red bar stops at 0% | Change USB port or cable. Use USB 2.0 (not 3.0). | | Error: STATUS_EXT_RAM_EXCEPTION | Your preloader is dead. Flash a compatible preloader from a working phone. | | Phone vibrates but black screen | Connect to charger for 1 hour. The battery is critically low. | | SP Flash Tool says “PMT changed” | Go to SP Flash Tool → “Format” → choose “Auto Format Flash” → then flash. |
Search for "Infinix Note 30 Pro X678B stock firmware" on trusted forums like , Hovatek , or Infinix’s official support site. Download the SP Flash Tool format (scatter file included).
Unbricking an (model X678B) varies depending on whether you are dealing with a soft brick (bootloop or stuck on logo) or a hard brick (total black screen, no response). 1. Fix Soft Brick (Bootloop) via Recovery Mode
typically requires restoring its core system files. Depending on whether your device is "soft-bricked" (stuck on the logo/bootloop) or "hard-bricked" (won't turn on), follow these procedures. Quick Fix: Recovery Mode (Soft Brick)
Because the Infinix Note 30 Pro (Model X6833B) is powered by the MediaTek Helio G99 chipset, modern security updates require bypassing the Secure Boot Authentication (Auth) protection to allow third-party tools to flash the system. Technical Specifications & Prerequisites how to unbrick infinix note 30 pro exclusive
Before you flash your device to fix a bootloop, please check these 3 critical points to avoid permanent damage:
: Use the Volume buttons to highlight Wipe data/factory reset and press the Power button to select. Confirm : Select Factory data reset . Reboot : Once finished, select Reboot system now . Method 2: Flash Tool (Hard Brick)
A fully charged battery (or at least 50% charge) on the bricked phone. 2. Software and Firmware Downloads
: A reliable, high-quality USB-C data cable and a Windows 10 or 11 computer. | Symptom | Immediate Action | | :---
Open the flash_tool.exe as Administrator.
If your device is stuck in a boot loop (repeating the logo) but can still enter the recovery menu, try these non-invasive steps first.
: Allows Windows to communicate with your phone's processor when it is powered down.
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Extract the SP Flash Tool archive and launch flash_tool.exe as an administrator.
Locate the field and select the default MTK_AllInOne_DA.bin file, or the proprietary DA file included with your custom firmware download package.
⚠️ This will wipe your data. Do not attempt if you need to recover photos—this is for reviving a dead device only.
: If clearing the cache fails, select Wipe data/factory reset from the same menu. Warning: This erases all local data. Phase 2: Advanced Unbricking (Firmware Flashing)
Press and hold the button for roughly 10 to 15 seconds until the device vibrates and displays the Infinix boot animation.