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- Title: Mercury 5.5 Elite Custom Stock Firmware
- Listed: November, 2025
- Last modified: 11/05/2025 7:45 am
- Version: Android 4.4.2
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CUSTOM
Member Info
DESCRIPTION
Mercury 5.5 Elite – Custom Firmware
This firmware is for the smartphone Mercury 5.5 Elite (OTD K550).
It was created from a personal memory dump, cleaned of all private data,
because this OEM device has no official firmware available online.
Please flash using SP Flash Tool in Download Only mode.
• OS: Android 4.4.2
• CPU: MediaTek MT6582
• Firmware version: ALPS.KK1.MP1.V2.10
• Preloader: preloader_sm619b_w_otd_k550_mercury_82.bin
• File name: Mercury 5.5 Elite.rar
This archive contains:
boot.img, system.img, recovery.img, scatter.txt, userdata.img, cache.img, EBR1, EBR2, MBR, lk.bin, logo.bin, secro.bin, preloader_sm619b_w_otd_k550_mercury_82.bin
• No personal data included (
userdata.img is clean, nvram, frp, accounts.db excluded)
Author: Mr_Cowboy – technical editor with rhythm and dignity!
※Please make a backup of your device before installing or updating ROM