https://en.wikipedia.org/wiki/Redmi_Note_4
https://www.gsmarena.com/xiaomi_redmi_note_4-8531.php
2017 1月發行
4GB ram, 64GB eMMC
5.5 吋
qualcomm 625
usb micro 2.0
wifi 802.11abgn
1080x1920
2sim
Android 6 upgradable to 7
miui unlock bootloader
https://en.miui.com/unlock/index.html
回覆刪除redmi note 4x mido
power + volume up == mi recovery 3.0
power + volume down == fastboot mode