[CLOSED] no sim(s) card working!! - Samsung Galaxy J7 Questions & Answers

Hello,
something very strange happening to my J7 2017 PRO, model (SM-J730GM/DS or J7y17lte) after I installed Crdroid 10.
Mobile cannot detect sim cards ! Help please.
I reverted to stock rom Pie Android 9.0 but same problem. What could have happened? Some EFS partitions deleted i read in some forums?
*How to restore telephony functions back ?
*Beside CrDroid, what other stable rom android 10/11 do you advice?
thank you so much

-You might have lost your IMEI. What happens if you type *#06# into the dialer?
-For a basic, stable ROM I'd recommend good old Lineage OS.

sims are not detected by OS and phone.
So, of course, IMEI is not there...

@utocava Thread closed as duplicate of
no sim card(s) detected ! no calls possible
Hello, something very strange happening to my J7 2017 PRO, model (SM-J730GM/DS or J7y17lte) after I installed Crdroid 10. Mobile cannot detect sim cards ! Help please. I reverted to stock rom Pie Android 9.0 but same problem. What could have...
forum.xda-developers.com
And the other duplicate that you created in "Samsung Galaxy J7 ROMs, etc." has been deleted. It didn't qualify for the development section anyway.
Prior to your next posting, please read ALL guidances and announcements that are stuck at the top of every forum like
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I know we all have busy lives and don't have time to go through a list of long winded rules, so here's a shortened version to make your life easier Only the following topics are allowed in DEVELOPMENT area: [DEV] - Development for any...
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and especially review the XDA Forum Rules with special emphasis on rules no. 5 and no. 15, post only ONCE and in an existing thread before creating new ones. You're allowed to bump your questions or threads once every 24 hours. Thanks for your cooperation.
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Related

[CLOSED]Help with recovery

Mod edit: @Codeman785 Thread closed as duplicate of
Help with recovery
So the new security patch bricked my 8 pro into qualcomm crash dump screen. I have done no funny business at all, yes my bootloader is unlocked and yes I have root. But it is only for basic things like titanium backup and permission ruler. I...
forum.xda-developers.com
which had been moved by my esteemed team mate @Timmmmaaahh! from the Oneplus 8 Pro development section, for which the thread didn't qualify, to the OP 8P Q&A sub-forum.
Please review the XDA Forum Rules with special emphasis on rule no. 5 and the sticked guidances in a forum, post only ONCE and do not post questions in development! Thanks for your cooperation.
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Oswald Boelcke
Senior Moderator
So the new security patch bricked my 8 pro into qualcomm crash dump screen.
I have done no funny business at all, yes my bootloader is unlocked and yes I have root. But it is only for basic things like titanium backup and permission ruler. I have never done anything crazy with my phone, never even flashed a rom, my phone has been rooted for well over a year and I always install all the security patches so this was super random and I'm pissed off.
Anyways I cannot find a video about recovering the phone without erasing everything and I thought this was only necessary when you DON'T have an unlocked bootloader. I thought it was possible to flash oxygen with fastboot and it fixes the problem. But I just dont know exactly how to do this and I didnt want to screw up anything. I'm totally fine with losing root and having the bootloader locked again I just really want to save my data. Any help and I would be grateful, because at this point I'm going to work tommorow without my phone.

Locked my phone S8 plus

Hello everybody,
I had a bit too many drinks with my gf and set a new password for my phone and then we went out and i thought i lost my phone even though it was all the time at home so i locked it with find my phone (its a SAmsung galaxy s8 plus) so i locked it and i forgot what i set as my password. So was wondering is there any possible way to make the phone workable? like i thought maybe installing some custom rom or something? Any help would be appreciated.
Adr3nalinas said:
Hello everybody,
I had a bit too many drinks with my gf and set a new password for my phone and then we went out and i thought i lost my phone even though it was all the time at home so i locked it with find my phone (its a SAmsung galaxy s8 plus) so i locked it and i forgot what i set as my password. So was wondering is there any possible way to make the phone workable? like i thought maybe installing some custom rom or something? Any help would be appreciated.
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@Adr3nalinas Welcome to XDA. I hope you'll always get the support you require.
Prior to your next posting please read the guidances that are stuck on top of every forum like
Note: Questions go in Q&A Forum
If you are posting a Question Thread post it in the Q&A forum. Technical discussion of Android development and hacking. No noobs, please. Device-specific releases should go under the appropriate device forum...
forum.xda-developers.com
I've moved the thread to Android Q&A. Thanks for your cooperation.
Regards
Oswald Boelcke
Senior Moderator

[CLOSED] Fake/Clone p40 pro

Hi folks!
Recently I've bought a p40 pro clone that is driving me crazy.
I can't barely use it as all the tweaks to make it look like a better phone are provoking some apps to fail. The about phone screen says that is a p40pro (without spaces), the CPU is a MT6799 when in reality is a MT6580, 12Gb of RAM but is 1Gb, Android 10.1 but it's 5.1, hahaha, it can't be more fake, but no regrets, I have what I've paid for!!!.
My initial idea with this crappy thing was to upgrade the android version to 6.x, but everything is pretty tough, at least with my little knowledge in custom roms, kernel etc.
First of all I'm not able to install TWRP on it. I can't find or make a working version:
I thought that this model was pretty similar and I tried with the TWRP included on the thread about a p40pro+, but the touchscreen after entering recovery was somehow inverted and seemed laggy: https://forum.xda-developers.com/t/alps-clone-p40-pro-wish-com.4211591/
With the one at https://forum.xda-developers.com/t/unknown-china-device-p40-pro.4200617/post-85249887 it don't work too.
Finally I came to this thread https://forum.xda-developers.com/t/...ediatek-mt67xx-64bit-new-32bit-phone.3681861/ and I managed to make a custom TWRP which initially seemed to work (the touchscreen was fine) but the sd card data was unavailable, I was like missing but if I reboot the mobile it properly boot. Maybe because I choose an incompatible model to port from.
So, I'm running out of ideas, please can someone give me a hand on that super ultra fake thing?
Here is the full rom dump, preloader and recovery:
https://mega.nz/file/2M80XY7C#0kw7qVQ5498tDrt4UdUNq49lANIO3RvS73ct6DoCPO0
I'll really appreciate any suggestion on getting a new rom for this phone, and obviously how to get twrp on it, root, and if possible a rom which makes this fakephone at least useable.
Zillions of thanks in advance!!! Take care!
@pepisxd Thread moved from the development section, for which it doesn't qualify to the Q&A sub-forum but also closed as duplicate of your other thread that I've also moved already to Q&A yesterday:
Fake/Clone p40 pro
Hi folks! Recently I've bought a p40 pro clone that is driving me crazy. I can't barely use it as all the tweaks to make it look like a better phone are provoking some apps to fail. The about phone screen says that is a p40pro (without spaces)...
forum.xda-developers.com
Please review the XDA Forum Rules with special emphasis on rules no. 5 and no. 15, post only ONCE, do not create duplicates of your threads or posts, post only OWN development in the development sub-forum and prior to your next posting, please read all guidances and announcements that are stuck at the top of every forum like:
READ THIS FIRST - Development Rules
Rules for Posting in the Development Forum The following are a list of topics that we allow in the development forum [DEV] - Development for any special projects or Apps [ROM] - Custom ROMs [KERNEL] - Custom Kernels When possible please...
forum.xda-developers.com
Regards
Oswald Boelcke
Senior Moderator

[CLOSED]IMEI Change on Galaxy X (Nexus)

Hello all!
I'm using an old Samsung Galaxy X (aka Nexus aka i9250) to test and learn how android operates.
I already rooted it.
I'm running now LineageOS 13.0 Maguro (Android 6.0.1) with TWRP installed.
This device has IMEI HV 01 (never saw this).
Whats the command to be used in terminal to change IMEI?
nodonnuts said:
Hello all!
I'm using an old Samsung Galaxy X (aka Nexus aka i9250) to test and learn how android operates.
I already rooted it.
I'm running now LineageOS 13.0 Maguro (Android 6.0.1) with TWRP installed.
This device has IMEI HV 01 (never saw this).
Whats the command to be used in terminal to change IMEI?
Click to expand...
Click to collapse
Hello and good afternoon, @nodonnuts
Welcome to XDA! I hope you'll always get the support you require.
However, thread has been closed for the reasons described below!
Edit or change of IMEI is illegal in quite a few of countries. For this reason, I've closed and edited your thread! XDA doesn't allow and doesn't accept discussions about or support for such an edit or change.
XDA Forum Rules (excerpt):
...
9. Don't get us into trouble.
Don't post copyrighted materials or do other things which will obviously lead to legal trouble. If you wouldn't do it on your own homepage, you probably shouldn't do it here either. This does not mean that we agree with everything that the software piracy lobby try to impose on us. It simply means that you cannot break any laws here, since we'll end up dealing with the legal hassle caused by you. Please use common sense: respect the forum, its users and those that write great code.
...
Click to expand...
Click to collapse
Note: Questions go in Q&A Forum
If you are posting a Question Thread post it in the Q&A forum. Technical discussion of Android development and hacking. No noobs, please. Device-specific releases should go under the appropriate device forum...
forum.xda-developers.com
In future, please refrain from starting such a discussion on XDA.
Thanks for your cooperation!
Regards
Oswald Boelcke
Senior Moderator

Please help me!!!

Note- please read the post carefully to avoid any missing information. Thanks in advance
I am using samsung galaxy j7 2016 and rooted it using magisk. But when i tried to revert to stock after getting bored, it booted up and showed no command screen after flashing and on pressing volume up+ power button, it showed some recovery logs(image attached). Now i dont know where the issue came from. I also wiped efs by mistake but restored it somehow.
Now i decided to flash custom rom to fix this issue. I chose the rom which is flashable version of my stock rom. It booted up normally and showed all the efs info normally. But then i did the most foolish thing, i turned off developer options by mistake which also turned off oem unlock. I rebooted the device for no reason and phones says ' custom binary blocked by frp lock'. I tried to flash stock rom again to fix this issue but it encountered no command error again and i either cant access stock recovery.
Is there any way to unlock oem in download mode and fix no command issue.
I want to recap that i have a phone with inaccessible stock rom, locked oem and no access to recovery except download mode.
Please help me
Welcome to XDA. Please be aware that we have specific forum sections for most devices, and we ask that you post in one of those if it is available:
1. Search before posting.
Use one of our search functions before posting or creating a new thread. Whether you have a question or just something new to share, it's very likely that someone has already asked that question or shared that news.
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Use our search function to find the best forum for your device.
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15. Keep threads / posts on-topic
Whilst a minor amount of off-topic posting may be overlooked, the general rule is that your posts / threads must be relevant to the Forum / thread in which you are posting.
General Forums - For news and announcements relating to your device.
Q&A Help & Troubleshooting Forums - For all question / request threads and posts. If there is no Q&A Help & Troubleshooting forum, use the General Forum of the relevant device
Accessories Forum - For posts related to accessories relevant to the device
Development Forums (ones with the word development in the title) - For Developers to post release threads e.g. ROMs and Kernels including modifications to kernels, bootloaders, ROMs, etc., as well as R&D development discussion threads designed with an end goal
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As a courtesy, we will move your post to the appropriate section.
If you haven't already, please read the Forum Rules and Forum Etiquette linked in my signature.

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