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- Title: ZTE Grand X Quad
- Listed: October, 2026
- Last modified: 10/25/2026 10:18 am
- Version: Android 4.2.1
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OFFICIAL
Member Info
DESCRIPTION
Official firmware for ZTE Grand X Quad
Build: RU-QB18D-P188F04V1.0.1
Android: 4.2.1
Installation instructions:
1) Unzip the archive.
2) Copy update.zip to the root of the SD card.
3) Boot into recovery > apply update from sdcard > select update.zip.
4) Select reboot system now.
※Please make a backup of your device before installing or updating ROM