QS550 Q-Smart QS550 [ROM[ Android 4.4.2

Silent Angel

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ROM Mobile Q-Smart QS550 - ROM Android 4.4.2


Official ROM Q-Smart QS550 Version: QS550_I9551KK_V1.7_141031_1830_W18 – KOT49H

Gapps include – No Rooted

Language support: Multilang

Install ROM:

- Unpack FlashTools, and Click on Flash_tool.exe
- Select a the MT6572_Android_scatter.txt in ROM
- Wait file to be added into Flash Tool
- choose Option->USB Model,click USB Model
–> Choose Option->DA DownLoad All->Speed->High Speed, click High Speed
- Turn off your phone, remove the battery.

- "Press F9 (hit Download button)" OR " if upgrade ROM Firmware->Upgrade "
- and connect your phone into the computer via USB data cable.
- The process will start and a red progress bar will appear after color purple, yellow.
- And green circles display
- Finish !

- You can now safely disconnect your phone and turn it on.

Download Links:
Q-Smart QS550


New Member
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thank Silent Angel but it's not work for my phone. Can u help me? my phone model version is


New Member
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I'm need file Rom for QS550 new LCD pls, up this ROM QS550_I9551KK_V1.7_141031_1830_W18 phone balck LCD.