[ROM][OFFICIAL][7.1.2] crDroid v3.8.4 [VoLTE] For Redmi 4A

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Aug 25, 2017
Hi, I'm on March build, i found it on the maintainer's folder (but it's not on xda) and I wonder is it stable enougth ?


New member
Sep 3, 2017
I also faced the same issue. The backlight used to remain on which caused some battery drain, I couldn't increase/decrease the brightness and also auto-brightness sensor didn't work.

To solve this, I clean flashed without locking bootloader to official Nougat MIUI Global Beta ROM and then after flashing custom recovery; wipe system, cache, dalvik cache and data via recovery if you don't want to delete internal storage files and lastly flash the ROM . If you want to save your internal storage files, just select save userdata instead of clean all in Mi Flash Tool.

If you still have the problem, repeat the same but first flash Marshmallow ROM, then the Nougat ROM and lastly the custom ROM. I think this issue arises due to some kernel incompatibilities with the custom ROM.
I am on miui 9 (9.5.4) global stable rom(official)

Will it be okay to flash the ROM directly?
And do I need to flash the MultiRom firmware too?

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    this is crDroid for Xiaomi Redmi 4a Official V3.8.5​

    crDroid is designed to increase performance and reliability over stock Android for your device also attempting to bringing many of the best features existent today. We're mainly based on LineageOS so use custom kernels compatible with them!


    Pixel look and feel.
    OMS-rootless (theme engine) Supported. Install Substratum from Play Store.
    Google Assistant
    LineageOS 14.1 - all mods and features
    StatusBar: Network Traffic
    StatusBar: SU icon toggle
    StatusBar: Ticker
    StatusBar: Hide/Show icons
    StatusBar: Hide/Show data activity arrows
    StatusBar: BatteryBar customizations
    StatusBar: Date customizations
    StatusBar: Battery styles
    StatusBar: Tap to Sleep
    StatusBar: Clock styles
    StatusBar: Custom logo customizations
    QuickSettings: QS Header image customizations
    QuickSettings: Weather tile integration and customizations
    QuickSettings: Tiles customization
    QuickSettings: Brightness slider toggle
    QuickSettings: Optional brightness icon
    QuickSettings: Vibrate on Touch
    QuickSettings: WiFi easy toggle
    QuickSettings: Bluetooth easy toggle
    QuickSettings: Data easy toggle
    QuickSettings: Location easy toggle
    Navigation: Toggle navbar
    Navigation: PIE navigation
    Navigation: DUI - SmartBar / Fling Toggle, animations and customizations (+ One Hand mode)
    Navigation: Dynamic Nav Bar Color
    Navigation: Pulse - smart visualization
    Notifications: Power notification controls
    Notifications: Force expanded notifications
    Notifications: Toggle immersive mode messages
    Notifications: Breathing notifications
    Notifications: Headsup Snooze
    Notifications: Headsup Timeout customization
    Display: Ambient Display customizations
    Display: Transparency Customizations
    Display: Blur Personalizations
    Display: Expanded Desktop Customizations
    Display: Scroll Animation Customizations
    LockScreen: Screen shortcuts
    LockScreen: Toggle longpress for screen shortcuts
    LockScreen: Swipe shortcuts
    LockScreen: Toggle media cover art
    LockScreen: Toggle clock
    LockScreen: Toggle date
    LockScreen: Toggle alarm
    LockScreen: Toggle status bar
    LockScreen: Tap to sleep
    LockScreen: Toggle longpress torch
    LockScreen: Cutomize number of notifications
    LockScreen: Toggle power menu for secure lockscreen
    LockScreen: Toggle quick settings access and hide swipe shortcuts for secure lockscreen
    Powermenu: On-the-go mode - camera overlay.
    Recents: Immersive Recents
    Recents: Hidden apps
    Recents: Toggle OmniSwitch as default Recent view
    Recents: Toggle Slim Recents as default Recent view
    Sound: Charging Sounds customization
    Sound: Toggle screenshot sound
    Sound: Live customization for number of volume steps
    Sound: Less frequent notification sounds
    Sound: DND customizations
    Animations Customization for Toast, System, etc.
    Miscellaneous: Clock Widget
    Miscellaneous: Wakelock Blocker (experimental)
    Miscellaneous: Partial / Full screenshot selection option
    Miscellaneous: Toggle suggestions on Settings dashboard
    Miscellaneous: Toggle summaries in Settings
    Miscellaneous: Toggle auto-start music player on headset detection
    Miscellaneous: Show CPU info overlay
    Miscellaneous: Disable Force Close notifications
    Settings/Sound: Increasing Ringtone
    15 New Quick Settings Tiles including Caffeine mode, Expanded Desktop and Sync.
    Settings/Security: Quick PIN/Password Unlock
    Default sounds from latest Nexus image.
    Stability and performance improvements.
    ART Optimizations

    where working on getting more features but only if the rom stays stable
    if you have a request please ask on our G+ site

    chagelog v3.8.4 12/12/2017

    - merged december security patch
    - fixed dark video recording
    - fixed roaming speciel thanks to NIkesh bro from santoni (redmi 4X)

    changelog v3.8.5 20/01/2018

    -fixed slow charging .
    -fixed dark video by third party camera
    -added footej pro camera as default
    -added lenovo camera (for external use :p)
    -fixed speaker sound noise
    -January security patch and any LOS changes between last release and this release.
    -Clean up ramdisk removed unwanted bg services
    - Fixed mtp bug
    - Fixed powercut off
    - Fixed Volte video Camera
    - Fixed alarm at boot not working
    -Added Xiaomi Doze
    - Included Firmware in ZIP no need flash firmware again ;)

    changelog v3.8.5 19/02/2018

    -> Feb security patch
    -> Fixed battery drain
    -> Performance improvement
    -> Cleanup ramdisk
    -> Fixed Unknown baseband (Thanks to @Nik001 and yousuf)
    -> Updated Modem v004(from miui global beta)
    -> Removed xiaomiDoze
    -> Fixed powercutoff

    - When use Some thirdparty Camera Apps like Gcam etc have low exposure problem when record video (need kernel for fix it ,sorry)


    Always Have a full functional Backup. Just in case!

    Grab the latest build ROM DOWNLOAD V3.8.5 19/02/2018
    Old build ROM DOWNLOAD V3.8.5 20/01/2018

    First time installing crDroid to your Redmi 4a, or coming from another ROM:
    - Make sure you're running a proper working Recovery (CWM or TWRP)
    - Copy GApps,Firmware and crDroid zip to your external SDCard
    - Boot into Recovery
    - Wipe system,data and cache
    - Flash crDroid zip
    - Flash GApps zip
    - Reboot

    Don't expect any support if you:
    - are not running stock crDroid-kernel
    - have installed any mods such as Xposed!
    - have modified system files

    Thanks to:
    - Google
    - LineageOS
    - SlimRoms
    - OmniRom
    - NamelessROM
    - Team-Ghost
    And all telegram Redmi 4A testors and supporters

    Nik001, muralivijay, ataberkozen for using their vendor/device source and for all who helped me to build this Rom.

    We are paying for servers that build nightlies/weeklies and everything that comes with it, so EVERY DONATION will really be appreciated and be used to cover those expenses.
    Thank you!!

    crDroid G+ community
    crDroid Github

    ROM OS Version: 7.x Nougat

    Version Information: 3.8.5
    Status: Stable
    firmware Nougat firmware 7.11.16
    Based Lineage Os
    Created 2017-12-08
    Last Updated 2018-02-20
    About kernel source...

    Hi guys, very good news, Xiaomi finally had release the kernel source code for Redmi 4A, I hope we will get a full development now. Thank you..
    Also for Redmi 5, 5A.
    Welcome! I know that's tricky but to get something good, you need to work a bit to achieve it! :silly:
    Did the hotspot tethering and USB tethering bugs are fixed in the latest build?

    yes fixed
    And a new one : 7.1.2-20180120-rolex-v3.8.5
    Not tested, and changelog ? perhaps new camera apps...:confused:
    As per the reply below, no, no camera changes. That's a good thing.

    But as per general crDroid changelog:

    Changelog: January security patch and any LOS changes between last release and this release. Nothing on the crDroid side has been changed and that will continue to be the case.

    So security patch and LineageOS sync since well, it based off LineageOS.

    Oh, and for 4A-specific updates, it's just a double tap to wake toggle fix where you can't really turn it off
    new version 0180120 is out, changelog? camera fixed?

    edit *
    footej camera and lenovo camera app still there .

    Just uninstall them with adb/terminal emulator:
    pm uninstall -k --user 0 [pgkname]
    and replace [pkgname] with com.lenovo.scg for Lenovo Camera and com.footej.camera for Footej. Footej is available on Play Store, anyway.

    And get like, CyanogenMod's Snap Camera off XDA, or Open Camera
    Great ROM. Really smooth.

    Everything works fine but backlight does not turn off in lock screen.

    PS: Facing same issue with your HalogenOS build too.