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> Digma Plane 7546S 3G - Discussion | Tablet, 7 "
olegan48
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08.12.17, 16:36
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DiscussionDigma Plane 7546S 3G
PictureDigma Plane_7546S 3G, PS7158PG
Discussion


Specifications
Screen diagonal 7 inches (17.78cm)
Resolution 1024x600
Matrix type ips
Screen resolution wsvga
Multitouch support
Processor spreadtrum sc7731 four nuclear
1.2GHz frequency
1GB RAM
8GB ROM (in fact, less space is occupied by the OS)
MicroSD support up to 64 GB
Android OS 7.0
Front Camera 0.3Mp
No rear camera
Bluetooth v4.0
WIFI 802.11b / g / n
3g support
The number of SIM cards 2
Built-in gps
Battery capacity 2400 mA
Black colour
Support otg after dancing with a tambourine

Photo
Attached Image
Attached Image


Useful


There is no curator in the subject. For questions about filling the caps, please contact the section moderators via the buttonPictureunder the messages to which you want to add links.

Post has been editedAlexanderL - 01.10.18, 09:27
Reason for editing: If Spreadtrum_Tools_R20 when opening the firmware gives an error "image is damaged"!
AlexanderL
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08.12.17, 17:58
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M
Topic moved to subsectionDigma


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MoreI am not a moderator. For questions related to the forum, you are happy to answer existingModerators of the section "Android - Devices"
olegan48
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08.12.17, 18:37
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Getting Root Rights


Everything you do, you do at your own peril and risk. And neither I nor the administration of the forum are responsible for damaged equipment!

A warning! All data will be lost. The tablet will take the state "only from the store" !!!

1 Download twrp from the header under the spoiler is useful.
2 Download the firmware in the same place
3 Download the program firmware for devices on the processor spreadtrumHere
4 Install the program and open the folder with the installed program in the explorer
5 Without closing the explorer, we launch the flash driver and open the firmware in the top with a big gear in the * .pac format (having previously installed it from the zip archive)
6 Then when the firmware is loaded into the program.NOT CLOSING THE PROGRAM!go to the folder with the program * program name * / Bin / ImageFiles / _DownloadFiles12345678 / (open 12345678 instead of 12345678) and open before that, and copy the previously downloaded twrpPRELIMINARY RENAME IN ITS recovery.imgand agree with the replacement
7 Then go back to the program flasher and press the button in the form of a play icon.
8 Turning off our tablet, wait until it turns off completely.CLICKING THE VOLUME DOWN BUTTON AND DO NOT RELEASE IT BEFORE THE END OF THE FIRMWAREand connect the cable.
9 The firmware process will start.MOST IMPORTANT NOT RELEASE THE BUTTON TO THE ENDwaiting for the end.
10 When the firmware is finished, turn off the USB cable, turn the tablet on and off (to check that everything was done properly)
11 Download the latest stable archive for firmware from under the recoverySuperSUand throw it on a flash drive (or in the internal memory if there is no flash drive: rolleyes :)
12 Go to the recovery. For this:
Press the Power button and after half a second press Vol +
When the booty appears, release the Power button and continue to hold Vol + until the recovery is loaded
13 In the recovery, select the installation item, we find our SuperSU archive, select it, make the svayp to the right and wait for the installation process to finish, then press the reboot button

Congratulations on your hands rooted machine !!

Post has been editedolegan48 - 08.01.18, 19:39
olegan48
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08.12.17, 23:02
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I do not know why (or why) but the developers of Digma (or a clone of what it is) did not implement a full mode on this tabletOTGthat is, if you connect a usb flash card to it, then it will detect and open it, but if you connect something else, nothing will happen.
I took this tablet to use it as a car-pc and therefore it was important for me that otg worked on it. I have to connect an external hub to it and I already have a USB_DAC, Arduino nano, external flash and k-line adapter in it. Imagine my surprise when I connected a sound card but it didn’t play even though it was visible in the system through alsa and in Android 5.0 and higher, out of the box there is support for audio output via usb.
For two weeks I fought with him and still defeated him.
How to make a full otg


As always, everything that you do, you do at your own peril and risk and no one absolutely except you is responsible if you ruin something (no one knows the directness of your hands)!

For this we need root rights and files from the archive.
Archive for full release
Attached fileetc.zip(22.06 KB)

1 Download the file archive
2 throw it on the tablet
3 using eu explorer, or total commander or rutexplorer (for whom it is convenient for me to personally use XPlore) we throw these files in the root / system / etc / permissions / way agree with the replacement, after checking the permissions everywhere must be 644 (letter D)
4 we start and try to connect something.
Everything should work (at least it worked for me) the sound went to the external card without any requests, when the webcam was connected, the system requested permission for the scopecam application to use it (but it still did not work because there is no v4l2 driver in the kernel)

Post has been editedolegan48 - 16.12.17, 19:45
Tirano74
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15.12.17, 16:23
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People! I did not find a topic for 7547S 3G, who has this device in their hands, a huge request to share system.img, because The only firmware with a system image that turned out to be, was to install an image from 7546S, but not everything works, and in the header there is an error in the characteristics, in the 7546S is a three-core processor.


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olegan48
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16.12.17, 19:32
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Tirano74 @ 15.12.17, 16:23*
The 7546S is a three core processor.

This is how the processor
sc7731 became three nuclear in 7546 when in other devices it is four nuclear
Attached Image
Attached Image

The screenshots clearly show how many cores are in this process. And the fact that you somewhere on the Internet read an erroneous description, so do not mislead others.

Post has been editedolegan48 - 16.12.17, 19:36
olegan48
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16.12.17, 19:40
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* Tirano74,
The 7546s and 7547s are two twin brothers. The only difference in the amount of ROM 8 and 16 GB of the presence of the rear camera at 2 megapixels and the price, respectively.

Posted 12/16/2017 19:43:

But it does not work as I understood the camera because it is not in 7546.

Post has been editedolegan48 - 16.12.17, 19:42
Tirano74
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16.12.17, 22:19
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olegan48 @ 16.12.17, 21:32*
The screenshots clearly show how many cores are in this process. And the fact that you somewhere on the Internet read an erroneous description, so do not mislead others.


Well, as if he himself wondered what this percent is the same, and the nuclearity is different, this is on the off-site Digma.
Soryan himself misled)

olegan48 @ 16.12.17, 21:40*
The 7546s and 7547s are two twin brothers. The only difference in the amount of ROM 8 and 16 GB of the presence of the rear camera at 2 megapixels and the price, respectively.

Posted 12/16/2017 at 21:43:

But it does not work as I understood the camera because it is not in 7546.


Well, I came to the same conclusion, now I will download and unpack both the system.img, try to build the firmware.


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Jey_son
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25.12.17, 13:36
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Friends, please tell me, I bought Digma Plane 7546S 3G, I inserted a micro SD, the tablet asked a question, if you want to use the card to install applications - format it. Formatted, through mtp files on the cd are copied ...
The question is what kind of file system is installed on the CD, how to work with it on the computer, through which programs? In XP, it produces something like a protected GPT partition, no partisans take it (that is, some partitions are visible, but unknown, or unsupported, and no files are visible), I tried live sd based on 8k, also does not see anything. It's just easier and more convenient for me to throw files through a reader (for example, throw the same cache) than to use all sorts of MTP ... What am I doing wrong?
cwolo4
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27.12.17, 15:12
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Hello everyone, I bought this gadget for my youngest daughter, and since she is only 2.5 years old, it’s not clear how the screen burst. ordered FPC-FC70S589-00 Touchscreen 7.0 "30 pin (104x184mm), got up like a native. Repair is simple, unscrewed 2 bolts and a pick from a click, unfastened the cable latch into place. He heated the screen with a pick for a pick and removed. I came with a factory tape, so I pulled off the paper and turned it over, but here I was in for a surprise, the connector latch broke, while apparently taking off the sensor, I managed to break it, did not despair, pulled it with electrical tape, assembled it, turned it on. It works. :)

Post has been editedcwolo4 - 29.12.17, 21:54
Reason for editing: ocheryat
Olejacar
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29.12.17, 15:49
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* Tirano74,
Hi, if you can build the firmware, can you upload it?


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shok711
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30.12.17, 02:28
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The whole head has already broken with the root. It seems I want everything according to the instructions, but I can not flash it either. After flashing the custom TWRP in the recovery menu, but there is no usual installation item, there is: Apply update from adb and Apply update from sd card, I select the card accordingly, the archive with the control system is on it, but the installation error occurs: verify whole-file signature failed .
Attached Image
Tell me how to treat?

Post has been editedshok711 - 30.12.17, 03:05
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30.12.17, 07:49
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* shok711, in the photo of factory recovery, you can not get a root through it.


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shok711
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The Ghost of the Opera @ 12/30/17, 07:49*
On the photo of factory recovery, you can not get a root through it

Thanks, one more flashing helped. SU is installed. I do not understand how the original recovery was made before, like I did everything according to the instructions.
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Engineering menu * # * # 83781 # * # *
Phone information * # * # 4636 # * # *
GPS Settings and Test * # * # 2266 # * # *

Post has been editedAlexanderL - 04.01.18, 17:39
Reason for editing: In the header
Pahoma
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TWRP firmware without data loss
Digma Linx A420 - Firmware
Verified by

Post has been editedPahoma - 04.01.18, 17:28
osy-78
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With the battery, I have some sort of crap, in five minutes 10% leaves. It reaches up to 50% and then normal consumption. Apparatus 3 days.

Post has been editedosy-78 - 11.01.18, 08:52
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* cwolo4The whole essence of Chinese devices. can be fixed from the ram and sticks.
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* ANGoy,
the fact is that the shit should also come up :)
olegan48
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Pahoma @ 4.01.18, 17:28*
TWRP firmware without data lossDigma Linx A420 - Firmware
Verified by

Yes. But here I had a version of ResearchDownload 18 or 19 (I do not remember exactly on the working computer) and there is no such thing that you can remove the daws from the rest of the images, so I wrote the instructions, because I did it myself.
When I created a topic, I could not find any information on this device on the network, including firmware, then as soon as I got the firmware, I myself corrupted the recovery and stitched it, making sure that I worked all over this topic and described all the actions so that no one else ipalsya like me.
olegan48
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If someone wants to change the boot logo, here is the instruction:

Download the image you want to put in the format ***. Bmp size should not exceed 600 KB and the resolution d. 1024x600
Next, rename it to logo.bmp and throw it into the root of the internal memory.
Install the terminal emulator (which one you like)//savagemessiahzine.com/forum/index.php?showtopic=164972&view=findpost&p=4295285 name for example
Next in the terminal:

su
dd if = / sdcard / logo.bmp of = / dev / block / mmcblk0p14
reboot


Post has been editedolegan48 - 19.04.18, 14:22
Digma
 

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