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#1 |
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Junior Member
![]() Posts: 1
Karma: 10
Join Date: Jan 2026
Device: kindle colorsoft 2024
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[Kindle Colorsoft] USB Mass Storage Gadget (PID 0x0324) during boot - ~0.43s window
Hi everyone,
I discovered something interesting on the Kindle Colorsoft (firmware 5.18.6): ## Discovery During boot, the device briefly exposes itself as a different USB device: **Normal mode (after boot):** - VID: 0x1949 (Amazon) - PID: 0x9981 - Name: "Kindle Colorsoft" **During boot (~0.43 seconds):** - VID: 0x1949 (Amazon) - PID: 0x0324 - Name: "Mass Storage Gadget" - USB Vendor String: "Linux 5.15.41-lab126 with mtu3" ## Technical details - The Colorsoft uses a MediaTek chip (mtu3 USB driver) - mtkclient detects it but handshake fails (window too short) - The device appears to expose Mass Storage briefly before switching to MTP ## Questions 1. Has anyone else noticed this behavior? 2. Is there a button combination to extend this window or enter BROM mode? 3. Can this be exploited for jailbreaking? Device info: - Model: Kindle Colorsoft - Firmware: 5.18.6 - Kernel: Linux 5.15.41-lab126 |
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#2 |
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Wizard
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 1,567
Karma: 5000046
Join Date: Feb 2012
Location: Cape Canaveral
Device: Kindle Scribe
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> 3. Can this be exploited for jailbreaking?
This can be more useful over on Kindle Modding Discord server https://discord.gg/kindle |
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| Tags |
| colorsoft, jailbreak, mediatek, mtk, usb boot |
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