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> Amoi N820 / N821 - Firmware (OS 4.1.2 - 4.2.2)
Wilderns
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15.11.12, 19:17
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Amoi N820 / N821 - Firmware (OS 4.0.4 - 4.2.2)
PictureN820, N821
Description of N820 | Description N821 | Discussion � | Purchase � | Firmware�

Drivers and Utilities
Drivers for firmware and adb:
Attached fileAmoi_USB_and_flash_driver.rar(8.42 MB)

SP Flash Tool:
Attached fileSP_Flash_Tool_v3.1244.0.rar(3.97 MB)

  • If you have problems installing drivers you can trythis way.
  • If the error "incorrect scatter file format" in the Flash Tool, remove the Cyrillic in the file path, otherwise try the old versions of the program (under the spoiler below).
Outdated
Drivers for firmware:
Attached fileMTK_drivers.rar(339.22 KB)

SP Flash Tool:
Attached fileSP_Flash_Tool_v3.1236.0.sn43.rar(3.85 MB)

Attached fileSP_Flash_Tool_V3.1222.00.rar(4.33 MB)

FIRMWARE
Official firmware
In all official firmware, with one exception, only Chinese and English are present, there is no Russian!
The exception is the firmware for the N821 on Android 4.1.1, for the European version of the phone - M8228, it is multilingual, including with the Russian language.
Almost all found versions flooded onCLOUD MAIL.RU

Unofficial firmware
If the necessary firmware was not available, then readTHIS POST
and another onelandfill fromDimetrius91182, You can also dig aroundsusekamkniaz_tishinbl: happy:
Many firmware are onneedrom.com(choose your model: n820 or n821)
Multilingual from DeathKing (based on official v1.1)N820 / N821 Android 4.2.2Mirror for N821
Corrected version based on DeathKingN821 Android 4.2.2
Modified on the basis of DeathKing with GravityBox 2.6 (installation through recovery)N821 Android 4.2.2
NEW!Lewa OS 5.1 (RUS) 10/17/2014for N820andN821
LeWa_OS5.1_14.07.31_AMOI_N821_Release
ColorOS newer - 4.6.16
LeWa OS5 03/14/07 RUSN821
MIUI V5 4.1.25 RUSN821
MIUI V5 4.1.17 RUS N821 and LeWa OS5.0 14.01.17 RUS N821
MIUI v5 4.1.10 RUSN820 / N821
MIUI V5 3.12.27 RUSN821
MIUI V5 3.12.13 RUS N821andN820
MIUI V5 3.11.22 RUSN821
LeWa OS5.0 RUS (11/15/2013) and MIUI V5 RUS (11/16/2013)
LeWa OS4.0 RUS of 09/13/2013N820 / N821 Android 4.1.2
Lewa OS5.0 (English-Chinese) dated 11/08/2013N821 Android 4.1.2mirror, screenshots (from another device)
MIUI V5 3.10.25 RUSN820 / N821 Android 4.2.2
MIUI V5 3.10.11 RUSN821 Android 4.2.2 *Modified statusbar for MIUI 3.10.11
Russian (based on official v1.0)N821 Android 4.2.2
###
Multilingual from Death-kingN820 / N821 Android 4.1.1 (ATTENTION!)
Multilanguage firmware from Amoi M8228N821 Android 4.1.1
Russian based off. firmware from WildeRNSN821 Android 4.1.1
ROM Mobile AMOI N821 & N820 - ROM Coincity B11Android 4.1.1 (Multi-language, based on the DK from the Spaniards) -Firmware info

Selectionby that | lock screensforLewa

Firmware instructions
Flash Tool Firmware
[*] Install drivers from the header.
[*] Run the Flash Tool, click the Scatter-loading button and specify the path to the file MT6577_Android_scatter_emmc.txt in the folder with the firmware.
[*] In the field below check the necessary components with checkboxes (in case of full firmware, check all).
[*] Press the Download button and connect the switched off smartphone to the computer.
[*] Wait until a window with a green circle appears, disconnect the smartphone, turn it on and use.

With the first firmware, you may have to disconnect several times and reconnect the smartphone to the computer until all the drivers have been installed.
Firmware from under Recovery
[*] Copy the zip-file with the firmware to the root of the phone memory without unarchiving it. The file name must contain only numbers and Latin letters, spaces and special characters are not allowed.
[*] Turn off the smartphone, hold down the volume up button and the power button until the boot logo appears.
[*] In the recovery, select the item "install zip from ..." and point to the required file with the firmware.
[*] After the installation is completed, select the item "reboot system now" (restart the device).

Depending on the version, you can navigate the recovery menu in different ways. Usually the volume buttons scroll through the items, and the power button or menu confirms the selection.

CWM- modified ClockWorkMod recovery
TWRP recoveryv.2.5 (N821 | N820), 2.4.1.0 (N821)- modified TWRP recovery

[*] Instruction in pictures how to install drivers using the command line
[*] Alternative step-by-step instructions for and for beginners
[*] If after the firmware IMEI -Recovery Instructions
[*] how to install TWRP Recovery
[*] Root 1- root
[*] Root 2- root
[*] Root 3- root, preferred method

miscellanea
GApps - Google services, Play Market, face control, etc.
Link for:Android 4.1. *(LeWa, outdated official and firmware based on it),Android 4.2.2(MIUIv5, new official and firmware based on it)
Getting rid of lags in Chrome
CPU frequency control script- to use intermediate frequencies depending on the load
Skype 2.9.0.315- Working version of Skype for AMOI N821 / N820
Led reminder- indication of missed calls by backlit touch keys
Sony Bravia Engine- technology to improve the displayed image / video
Google Now, Voice Search (offline) and speech synthesizer- voice instruments
Native battery indicator for N821_JB_GMS_V1.0- who does not like the new style of the indicator
Solving the problem with overwriting recovery- if the standard is returned all the time
Working mart and synchronization at the office. firmware without root and install GApps- life hack
Russian testing menu- translation by AmoiEngineerMode.apk
Corrected operator names
Kitchen to change the graphic interface elements- guaranteed to change the battery indicator, the rest is at your own risk
If you do not hear the interlocutors- we rule the engineering menu.
Does Mi-Tolls not work?
If the application "music" constantly crashes.
Turning off the microphone for noise reduction on the firmware MIUI



For questions and suggestions on filling the caps, contact the curator of the topic: -dW @ Rd-

Post has been edited-dW @ Rd- - 06.02.16, 17:45
Reason for editing: Updated links to official firmware
Chellikus
Message#22
16.11.12, 11:00
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Gentlemen, I’ll ask you to backup with fully Russian firmware. Empty only. So that your Google-Akks were not there: D

Posted on 11/16/2012, 11:00:

And try replacing build.prop and boot.img with firmware. Maybe because of the tweaks it works faster?
telerotor
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16.11.12, 11:56
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I rolled V6 SuperCharger with XDA
Apex began to work smoothly. In the native launcher, there are still lags when scrolling through screens.
ba-last
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16.11.12, 19:18
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And what are the differences between the firmwareDeath king from firmware telerotor ?
Lares
Message#25
16.11.12, 19:59
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ba-Last,
Features of firmware with apkhot:
  • Based on latest official 4.1 V2.0
  • Ruth
  • Deodex
  • Optimized and modified kernel, support for init.d scripts, automatic debugging via USB.
  • Full zipalign to accelerate and increase smoothness.
  • SMS popup settings.
  • SuperCharger is pre-installed with XDA, generally recognized as the best method for optimizing power consumption and memory management.
  • In init.d added a large number of scripts to optimize the memory and speed of reading SD cards, zipalign and other tweaks.
  • Pre-installed Sony Bravia Engine, theoretically improving the quality of the output image and video on the screen.
  • Root Explorer is preinstalled.
  • Optimize standby mode for improved power saving.
  • Battery indicator in the form of a donut in 1% increments.
  • Optimized GPS.
  • Block ads in the hosts file.
  • Other minor changes.

+ add-ons from telerotor.

In general, the main difference is the odex-deodex, well, there are much more tweaks needed and needed in apkhot. And about the memory in apkhot it is not entirely clear, it is also combined and given under data, or not.

Post has been editedLares - 16.11.12, 20:10
Chellikus
Message#26
16.11.12, 20:16
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From a reliable source, it became known that SuperCharger was the cause of the lags. How to cut it from there?
telerotor
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16.11.12, 20:16
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Ba-Last @ 11.16.2012, 20:18*
And what are the differences between the firmwareDeath king from firmware telerotor ?

1. Translation in the firmware of Death-king from Google. Apkhot is custom, not complete.
2. Different installation method. Death-king need to sew
Flashtoms.Apkhot via CWMod.
In Apkhot, Apex launcher, camera from 4.2 and many tweaks.
phel1000
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16.11.12, 21:19
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Chellikus @ 11.16.2012, 11:00*
Gentlemen, I’ll ask you to backup with fully Russian firmware.

I installed it specially, but I can’t backup it, writes Can't mount backup path. Most likely this is due to the fact that the memory is combined and the recovery can not find the right paths.
Chellikus
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16.11.12, 21:58
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phel1000hurt yourself ... try this recovery
Firmware Amoi N820 / N821
phel1000
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16.11.12, 22:13
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Chellikus
I tried this, in my native 3rd there is no backup at all.
Chellikus
Message#31
16.11.12, 22:24
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phel1000then try this again
AMOI N820 / N821
telerotor
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16.11.12, 22:26
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phel1000
Chellikus
I checked my backups are doing. Now I will make a wipe and backup to the rod.

I have a CWM to which I gave a link, uploaded it along with the firmware from Death-king replacing the recovery.img file in it.

Post has been editedtelerotor - 16.11.12, 22:34
Chellikus
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16.11.12, 23:56
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telerotor,Now another problem. How to decompile this byad? : girl_crazy:
I thought that the backup will be the firmware format for cwm ... :(
phel1000
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17.11.12, 00:54
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After the firmware, the phone detached from the Google Play web interface, writes "You have no devices." Has anyone come across this?
telerotor
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17.11.12, 08:08
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Chellikus
Greetings
Well, there are tar archives and in it apk files take them and build firmware.
ffacc
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18.11.12, 05:38
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Hello! Available on hand N821. I tried all the firmware with android 4.1, posted here and on chinaiphone. In all I don’t like the kinetics of scrolling, as it twitches, both in lists and in the browser. The idea is not very noticeable, but annoys me. If you install any firmware on android 4.0.4, then everything is ok, everything is smooth. For example, N821_V2.1_USER_2012-09-28. But the fact is that all the firmware with android 4.0.4 that I found are without root, with Chinese software, without Russian, without gapps.
Duck, I need your help. You can’t get rid of lags in 4.1? Are there any normal builds with android 4.0.4 on n821? If they are not, can I manage to bring to mind the existing builds with 4.0.4? As I understand it, through dsixda's Android Kitchen it will be possible to remove all Chinese software, get root, sew gapps?
Thank you in advance.
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ffacc,Lite 4.1 from Apkhot set? The kinetics are excellent there, both in interface elements, so in browsers, etc. During its use, I did not see any lags. And you yourself can always learn, we will have another firmware)

By the way, it is curious that when choosing English, the interface becomes as smooth as possible, i.e. perfect. There are slight twitches in Russian when turning over tables, but they are not significant.
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phel1000Thanks for the answer, I probably don’t understand, but is Apkhot lite 4.1 not for n820? how to put it on n821?
phel1000
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ffacc,readfrom hereand further.
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phel1000Yes, I set this, I did not notice a difference in performance.

Now I'm trying to modify N821_V2.1_USER_2012-09-28 with android 4.0.4.
I just import the ROM into the kitchen, then without making any names immediately BUILD, as a result, the status 0 error in the recovery. As I understand it, the cant is in updater-script. Cheto need to change, just now? Modera help with info please
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Tell me, how with the phone book / dialer on 4.1 for 820? And then on 4.0.4 an annoying glitch with the definition of the number: if the phone book shows the number in the local format 066-xxx-xx-xx, then the same, but in the international format (38-066-xxx-xx-xx) displayed as unknown.
And more about the firmware: 4.1 is it installed on a non-standard recovery? How to determine what recovery I have (if Gapps and Root are already on the phone)? Do you need to completely reset before flashing (in recovery)?
Amoi
 

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