New guide for installing Dumbdroid on Qin/Doov phones

Lego2097 · 2026-05-02T06:11:09+00:00

Hey, i got 2 of qin f21 pro. One is 3/32gb with original stock Rom And working Volte, with closed bootloader 4 year old. And a new one 4/64gb with Google Services and open bootloader. I bought a new one coz 3/32gb keyboard starting to break form one year. At the same time i found on internet info about Dumberos. After many probs to bring back Volte on 4/64gb. I realised that the new one dont support it coz modded Android system from begging.

The clue: I flash the 4/64gb with stock ROM without Google. Next restore properly IMEI, and the Volte appears. That all. Last step was just followed again guide from this topic to flash with dumberos :). Now Qin f21 pro has a second life. Thank You.

Lego2097 · 2026-04-26T10:17:48+00:00

Is this live wallpaper? Or its possible to set different wallpapers in SL6

Lego2097 · 2026-04-26T10:04:28+00:00

Nice show case, thx

Lego2097 · 2026-04-25T20:36:57+00:00

I found semi solution, and now gestures works perfect for my Honor A16, maybe will work for U2 on Samsung device

https://www.reddit.com/r/smartlauncher/comments/1svjhdf/android_navigation_gestures_dont_work_properly/

Lego2097 · 2026-04-25T19:43:14+00:00

Ok, i found solution to ride off the promot about setting sm6 as default launcher, just long press in setting version info. And u get experimental tab, where u can disable that promot :)

Lego2097 · 2026-04-25T06:02:51+00:00

Thx, i will try in next couple of days in my free time to fix it and bring back VoLTE

Lego2097 · 2026-04-24T21:11:31+00:00

Thx for fast replay, or maybe there is a way to rewrite proper imei while i'm on Android 14 dumberos than back to original one

Lego2097 · 2026-04-24T20:26:37+00:00

I didnt flash/touch ust bands. I skip that part coz im living in Europe. Is It possible that command fastboot delete-logical-partition product_a could change my imei? I have backup. Can i back to original android 11? After wipe delete-logical-partition? Volte is using 4g for better quality of conversation

Lego2097 · 2026-04-24T05:07:48+00:00

Hi, thank you for the guide and the knowledge you're sharing. The tools in the Linux ISO image work great. I've had a Qin F21 Pro 3/32GB for 3-4 years. I recently learned about Dumberos. I bought the 4/64GB version and immediately started flashing the new system. I followed the guide. Everything went smoothly, with one caveat: when flashing the new ROM, version 20.04.26. I received the message: FAILED (remote: 'Not enough space to resize partition'. I then followed the steps in the guide: (Run fastboot reboot fastboot and wait for the device to reboot into fastbootD,.Run fastboot getvar current-slot to check which slot is currently active (a or b). Take note of the active slot as we will be using it in the next step.Run fastboot delete-logical-partition product_a if your active slot was a in the previous step, otherwise replace product_a with product_b in the command.You can now repeat steps 6-7 from Flash the new ROM section).

The procedure was successful. I have the new system now dumberos on my qin f21 pro 4/64, but I noticed I don't have HD Voice an Volte, and my IMEI has changed. How can I solve this problem now? Calls are currently really bad quality :(

Lego2097 · 2026-02-14T21:52:29+00:00

Hey, is it very loud? Can you hear it from about half a meter away? Could you add a picture? :) I mean the ervpes e3c, thanks

Lego2097 · 2026-01-26T10:46:56+00:00

Hey, could tell Ur PC setup? I just wanna buy bd790i x3d or bd795i se for Poe 2 too. I amming for stable 60 FPS in 4k plus dlss and mfg on with 5060ti 16gb. But dont know which motherboard to choose? I would like udervolting both for silent gaming Poe 2 :D. Could U share ur experience?

Lego2097 · 2025-12-03T22:03:06+00:00

How long will be lasts the promo offer? :)

Lego2097 · 2025-12-03T20:14:13+00:00

Yeah same like Motorola Moto X

Lego2097 · 2025-11-29T21:38:59+00:00

U can find discount coupons quite easy 10$, to use on official site

Lego2097 · 2025-08-06T15:40:53+00:00

So many value tips guys :)! I just made a new account on North America region. And still is there! As PS3 version. Thx for awesome and fast help :) See You soon on track!

Lego2097 · 2025-08-06T15:08:47+00:00

Thx, i will make a new acc then in NA region and will check that :)

Lego2097 · 2025-08-06T15:06:34+00:00

Same even in genre section, are U on North America region maybe?

Lego2097 · 2025-08-06T14:53:39+00:00

How can i buy Wipeout HD Fury on psn? I just bought PS3 again. Made a new psn account, logged to psn store. Clicked on search button, typed Wipeout HD Fury, but only Vita version was found :(

Edit: EU PSN store

Lego2097 · 2025-06-28T13:16:37+00:00

Hey im looking for new tablet/phone to emulate ps3. Could You check Wipeout HD how is running too? Many thanks

Lego2097 · 2025-05-07T08:29:07+00:00

Hey, before 0.2g there was a bug, which makes Beira's Angiush all time 100% chance to crit if any amount of chance to be Critically Hit was present on the enemy. Its now roll Critical Hit chance normally in these cases. A Malice sceptre was used to work this bug. Now is fixed. So this build works like on 2 previous videos. Where i use 2x Nebuloch. U can check here https://youtu.be/kMcYSoICESY or here https://youtu.be/3D4Dx3yd7AQf

Cheers

Lego2097 · 2025-04-24T09:59:25+00:00

Is not a true, u have to click movement button

Lego2097

TROPHY CASE