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> Acer Iconia Tab B1-A71 - Firmware
VLADFIONOV
Message#1
02.05.13, 00:44
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Acer Iconia Tab B1-A71 - Firmware
PictureAcer Iconia B1, Acer Iconia B1-A71, Acer Iconia Tab B1
Description | Discussion � | Firmware �

Important information!
Getting root rights void your warranty!
When upgrading from RV04RC04 firmware, be sure to apply a patch!
In this model, the bootloader is blocked, installing an unofficial firmware or recovery can make your tablet inoperable!
Do not install "firmware" with XDA from the user sebasrock156, the result of the update is a rippled device!
Do not try to install Chainfire 3D!
Do not press the Memory Test in the SP Flash Tool, otherwise you will kill the memory!
Do not click Format in the SP Flash Tool, otherwise you will lose the MAC addresses of WiFi and Bluetooth!
If you have root, do not perform an update over the air!
Do not change the DPI! The result is a bootloop.
Do not install Live Logcat live. The result is a bootloop, and after the firmware via Recovery - a brick.



Drivers and Utilities
Original Acer driver
Before installing, connect the tablet to the PC in PTP mode.
Attached fileUSB_Acer_1.0_A41J_A.zip(44.12 MB)
Acer Iconia Toolkit
ADB Drivers
MTK Driver
Attached fileDrivers.zip(8.65 MB)

Driver for use with SP Flash Tool. Run installdrv or installdrv64 (depending on the system capacity)as administrator and wait.
Scatter files
From RV04RC04 firmware: Attached filemt6577_android_scatter_emmc.zip (427 bytes)

From RV05RC05 firmware:Attached filemt6577_android_scatter_emmc.zip(325 bytes)

After downloading, change the extension to txt, no need to unpack.

Kernel source


Firmware
Backups of firmware and firmware
Allegrorom
Firmware on the xda forum
Patch to upgrade from RV04RC04 to another version
If you are going to upgrade from RV04RC04 to another version, be sure to install this patch, otherwise the update will not be possible!
Attached filePMTUpdate_system.apk(178.64 KB)
Run the patch and click FIX G1PMT. There will be no response.


Official firmware 4.1.2. Jb.
Filesimg.gz- stitched through utility programs.
Files.zip-proshivayutsya through the engineering menu (only of firmware).
Firmware in one post
Acer AV051.B1-A71.RV03RC05(Installation via Engineering Recovery)


Unofficial firmware 4.1.2. Jb.


Instructions

Unlocking the bootloader + CWM recovery + ROOT is only available for the Acer Iconia Tab B1-A71 model

Login to Recovery
1. Clamp the volume button that is closest to the off button.
2. Clamp the power button for 3 seconds, without releasing the volume button.
3. Release the power button while continuing to hold the volume button for about 2 seconds.

You can also hold down the volume, connect the charger and wait. When you enter the recovery, you can disable charging.
Recovery through firmware
If you are upgrading from RV04RC04, be sure to apply the patch!
The tablet must be turned off and charged.
Download on PC and throw the update.zip file into the root of the microSD card of our tablet. If the tablet does not have a bootloop, then you can download the firmware directly from the tablet in / sdcard /.
If you downloaded the firmware to a removable flash drive, then to install, select the last item - apply update from sd card, then find our firmware on the memory card and confirm the choice.
Attached Image

If the firmware is downloaded to / sdcard /, then select apply update from internal emmc.
After the firmware, it is desirable to do a wipe data / factory reset, wipe cache partition.
Next, reboot system.
With the firmware, the data of the / data / folder (user programs) and the data on the internal and external memory are saved.
After doing wipe / data factory reset, the folder / data / and ALL data from the internal memory is deleted, everything remains on the external memory.
After flashing, root is lost.


Firmware via ToolKit utility
Unlock your pattern.
Memory swapping (need root)
We enhance the sound in the headphones using the tablet
[Redirect] Manual driver installation, manual.
Instructions for the resurrection, from the resource XDA-Dev.

Recovery tablet after failed experiments / brika.
Many thanks to the user mr.bin for the work done!
Resurrect B1-A71, B1-710 and B1-711

Unlocking the bootloader + CWM [A3-A10] [B1-A71] [B1-710]


Root / Recovery / Kernels

miscellanea
Tablet components
[Root] Disable applications
Disabling applications occurs through the utility.Bloat freezer
Applications that can be frozen:
1. Acer Cloud
2. Acer Nidus
3. Atci_service
4. Chrome (if using a different browser)
5. com.mediatek.theme.mint
6. com.mediatek.theme.mocha
7. com.mediatek.theme.raspberry
8. Gmail
9. Google Play Magazines
10. Google Play Movies
11. Google Talk
12. Google+
13. Koala_acer_startup
14. Launcher (if using another launcher)
15. Music FX
16. Picasa Uploader
17. Play Books
18. Play Music
19. TalkBack
20. Top HD Games
21. Browser (if using a different browser)
22. Calendar
23. Maps
24. Film Studio
25. Android keyboard (if using a different keyboard)
26. Contacts
27. Media
28. World time
29. News and Weather
30. Weather
31. Google search
32. Dictionary Provider
33. Registration
34. Tags
35. Digital life clock
Useful programs



There is no curator in the subject. For filling caps, please contactmoderatorssection through a buttonPictureunder the messages to which you want to add links.

Post has been editedvaalf - 25.01.18, 11:08
Reason for editing: Backups of firmware and firmware
AcerIconiaTabB1
Message#2
13.05.13, 23:52
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What kind of Android 4.2 ??? appears on our device?)
VLADFIONOV
Message#3
14.05.13, 00:34
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What kind of Android 4.2 ??? appears on our device?)

As it was said on various sites and in the media, it should be and more often in Settings - About Tablet PC - We are looking at updating the system to be the first to get the update toAndroid 4.2:-D


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wolf_971
Message#4
14.05.13, 12:47
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What kind of Android 4.2 ??? appears on our device?)

The device is fresh and came out immediately with Android 4.1.2. I think the support will be and it is worth waiting for the upgrade to 4.2. By the way, now there are very few devices on 4.2.
AcerIconiaTabB1
Message#5
14.05.13, 21:46
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Will wait:-)
Nitroud
Message#6
15.05.13, 07:08
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M
Moved to subsection.


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tofiq94
Message#7
29.05.13, 21:40
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WHEN WILL THE INSTRUCTIONS FOR FIRMWARE THROUGH PC ???????
VLADFIONOV
Message#8
30.05.13, 22:32
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tofiq94,
I myself do not know how to flash it through a PC and I haven’t found the instructions right now.


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tofiq94
Message#9
31.05.13, 10:56
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They added it to the cap, but this instruction is not suitable because I have a brick (cyclic boot-bootloop), updates through the recovery do not help. Maybe there is some Chinese colleague if there is, then you can try to flash the firmware from it using mtk flashtool ..
Well, if someone finds out, I will be grateful!
Voffka994
Message#10
01.06.13, 10:48
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I still have "better."
When updating through recovery, an error occurred.
Now I do not know what to do.
The tablet does not turn on, does not enter into the recovery.
When turned on, the "acer" is lit and it immediately turns off.
People, HELP!
I do not know what to do ... (((((
tofiq94
Message#11
01.06.13, 12:23
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Yes, you have a problem even worse :-)
wolf_971
Message#12
06.06.13, 08:33
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A patch for our device appeared on the ACER website, correcting the incorrect layout of blocks on firmware RV04RC04, after its application it became possible to upgrade via recovery to a newer firmware version (RV05RC06 - the last one at the moment).
After applying this patch, the latest firmware was installed without any problems, and before that the installation was interrupted with an error.

Post has been editedwolf_971 - 06.06.13, 08:40
vovan-motorist
Message#13
07.06.13, 10:36
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where to download all this?
gremin
Message#14
18.06.13, 10:23
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vovan-motorist,
tyts, choose our device, there are two patches.
gremin
Message#15
18.06.13, 10:30
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No, it seems to be the same, unpack the APK-shku and set as usual.
mr.barsuk
Message#16
01.07.13, 17:06
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Meizu m3

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I also have a brick in my hands. Actually what I have:
When enabled, the inscription ACER and turns on. When PWR + vol_down is clamped, there is no vibro, but if after one second you release both keys and hold down vol_up, then after a few seconds, the screen goes dead and, miraculously, after a completely black screen, a three-point rekaveri appears.
When you select any of them, the tablet turns off. On this work with the recovery ended.
If you turn off the tablet, throw the USB - he asks to install the driver for MTK Mediatek preloader. With 1-2atom after 1-2 seconds, the tablet goes into charging mode and as the device is no longer seen. The driver has become thishttp://yadi.sk/d/bpXvVDFo6NWCo

Further reading various smart topics, I came to the conclusion that, in theory, the tablet can be raised with the help of the SP Flash Tool and here I already ran into a problem. Those versions that I downloaded when I gave them the sub-scatter file from the official firmware swear at "scatter file failed" Can anyone else have any other ideas ??
wolf_971
Message#17
03.07.13, 10:28
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I have a backup of the firmware and the scatter merged through MTK Droid Tools from the working device, but to pour the firmware through the SP Flash Tool you need to enter it in fastboot mode. As I understand it, it does not work, the bootloader is killed.
Pashko37
Message#18
05.07.13, 19:05
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Recently I tried to ruin this animal, I ran into some kind of a fig in the Boot menu there and hung for a long time, solved the problem by opening the case and disconnecting the battery, it helped ... dedicated to those who encounter this, the case on the blue border is opened quite easily. And so, at first, I myself was afraid to climb inside him, I searched sites and did not find anything worthwhile.
byulent
Message#19
10.07.13, 19:44
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Please add a link to the RV05RC05 firmware:
http://global-download.acer.com/GDFiles/OS...&SC=EMEA_27
VLADFIONOV
Message#20
11.07.13, 00:53
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Byulent @ 10.7.2013, 20:44*
Please add a link to the RV05RC05 firmware:
http://global-download.acer.com/GDFiles/OS...&SC=EMEA_27

Add more with a description of the changes;)


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tofiq94
Message#21
15.07.13, 09:01
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state of the brick for several months already there is no news with XDA I don’t know what to do;)
Acer
 

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