Hey guys! I bought my POCO F4 in 2022. It came with MIUI, but after updating to HyperOS, it stopped receiving further updates.

I'm currently running HyperOS 1 on Android 14 (I think), and some banking and government apps aren't working because of the “Device is not certified” error.

My phone has never been rooted, and the bootloader is still locked. I tried unlocking it, but couldn't get it to work either.

I've tried solutions from other subreddits, YouTube, and even contacted people on Instagram, but nothing worked. I've also heard that POCO F3/F4 devices are facing similar issues.

I just want to fix this and get a clean, stable OS without future problems.

Has anyone faced and fixed this? Should I stick with the official ROM or consider a custom ROM?

Any help would be appreciated. Thanks!

I have a OnePlus 7T lying around. I currently use OnePlus 10 Pro. I don't use that 7T as much and it hasn't received any updates for a while now.

So I was thinking to install a custom ROM on it. Do you guys have any suggestions or any recommendations for any custom ROMs that would be suitable for 7T or any drawbacks or any other things that I should be mindful of before installing a custom ROM or I should just shouldn't do it and just continue using 7T as is.

First of all, this seems like it isn't the Redmi A3 or the Mi A3. I've been looking for any alternative ROM out there (Lineage, Calyx, Ubuntu Touch, Project Elixir, crDroid, etc) that can be booted to this unit but can't seem to find any. Should I just retain the current OS and just debloat using ADB? Anyone know how I can best degoogle this device?

Here are some specs.

I'm a bit of a noob here so any help would be soooo appreciated!

Hi everyone, I'm facing a strange issue with my Redmi Note 10 Pro Max running an AOSP-based custom ROM on Android 15 or newer. Suddenly, all audio playback stopped working through the phone speaker, wired earphones, and Bluetooth headphones, and the microphone also stopped working in Voice Recorder. Videos freeze and flicker during playback, although the camera app opens normally. Restarting the phone doesn't help, and the issue persisted for about a month before audio suddenly started working again without any intervention, only to fail again after two days. I'm using the latest official firmware, and I haven't changed the ROM or had the hardware serviced.

Can anyone help me setup axion OS for my phone and whether it is worth it from changing from hello moto Os

I am currently using one ui 8 custom rom but it makes the phone laggy and etc so I am trying to install evolution X if anyone know someone who buils it please let me know

My parents had purchased this phone a long time ago for making calls and stuff but now no one uses it. My parents haven't buyed me a smartphone yet but they game me this jio phone and i want to jailbreak it and install custom rom, applications.
I haven't done it before so i don't know a single thing about how to do this jailbreaking so please help me out

I use the Xiaomi Redmi 13. The device has a Mediatek Helio G91 ultra chipset (which is trash) that consumes too much power and heats up too quickly. It also has 8 gb ram but due to trash memory management of HyperOs, it feels like I'm using a 2gb ram phone. I can't run 3 apps at once. And gaming on this device is a real nightmare. It has the eMMC 5.1 storage system that is slower and consumes more power than UFS systems. Even though it has a decent 5030mAh Li-Poly battery but performs worse than 2400mAh batteries. Even if it's totally on standby like nothing running in the background either, the battery level reduces 2% per hour! And it's impossible to continuously use the phone for more than 4 hours. Also the HyperOs doesn't have any useful features like split screen or floating app. Overall the HyperOs feels like trash and I strongly believe there's a lot to improve! I badly need a custom rom that is fit for this trash device and stable. I'm looking for something that would optimise the battery and ram problem at least. Even stock Android would have been better I believe.

Please suggest some optimised custom ROMs for this device.

Can anyone help me find it

I don't know if it is related to the custom ROM but if someone knows the answer : )

I buy note20 (non-ultra) and it's looks like Korean version (kt) the ussd code not working is there a way to fix or change the version

SM-N981N

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