differents problems with my j7... - Samsung Galaxy J7 Questions & Answers

Good morning, I've been on the phone for two days now that's crazy ... and everything is clear to touch where I should not surely hehe
I comment a little to see if you can throw me a handle, either to put the phone right or neck.
I had a rom on my cell phone for maybe 4 or 5 months and the only thing that a couple of weeks or so ago every time I went in the car or with the bike when using bluetooth calls failed, so I started looking in internet and I saw that many rom failed in that, because I decided to put another rom. All good, but the same mistake followed and the one that did not vibrate added up. Well now I have been trying to try different but yesterday there is no way, you can see that I made a small brick. After talking for some comments on YouTube, he told me that it could be that he has damaged binary, (I do not know what it is), they told me to download to Android 6.0
The question is yes, I tried a firmware (the only one that I could install with odin, the rest always fails) and I have now the phone that works half, because it still does not vibrate, every time I turn on I have to enter key wifi and some more things , not counting the andorid that I have haha ​​that is outdated.
Testing with Odin to install other firmware now I get on the mobile, secure check fail bootloader. (I understand that it may be that the bootloader is blocked) but I do not know how to unblock it either, I have the developer options enabled with debugging usb and OEM.
I have also tried to install with Odin the TWRP and it comes out that if it has been installed correctly but then I try to get in and out fail and restart.
I have seen that there is a guide here for TWRP but it is for android 7.0 ... so I do not think it's good either.
After this billet ... does anyone give me a hand?
Thank you very much in advance!
PD: I add, right now I have the J710FXXU5BRC3 version but J710FXXS3AQG1 runs too. both with android 6.0
PD2: another mistake, is that when I go to flash it puts: sw rec. check fail. device 5, binary 3

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[Q] Variety of issues (unlocking bootloader, randomly rebooting phone, etc) [Resolved

Hi! I realise this if my first post I'd like to tread lightly; but I'm about 4 days into solving my issues and I just want to finish it...
I've had my Nexus i9020a (bought from Koodo) since ~May 2012. I upgraded to ICS sometime in the summer and sometime in the last few weeks it has started rebooting. I hadn't been installing new apps, etc. I'm not sure what the cause is. I 'Factory Reset' today in an attempt to resolve the issue, thinking it may be a program gone AWOL; but it has rebooted a few times since. I *just* looked through rebooting FAQ on this site and have edited the first few features listed there. I'm not sure if it has worked yet, but I'll get back to you on that. For the record, the only programs I have installed now are Swiftkey 3, Handcent and Beats (DDR simulator, updated in November).
In the meantime, before I found the solutions here, I decided to take another shot at unlocking the bootloader and try installing... probably CyanogenMod.
Specs: Windows 7 64 bit with Nexus S I9020a (Koodo) running 4.0.4 (4.1.1/2 OTA haven't come through, despite dozens of attempts at clearing the GSF cache, etc)
So I've been using the Nexus S: Full Update Guide found at:
hxxp://wiki.cyanogenmod.org/wiki/Nexus_S:_Full_Update_Guide
(It won't let me post the link)
I've followed the guide for installing the Android SDK, gone to CMD and typed 'adb devices' and had it show up. Theoretically, the SDK should be running fine.
Next, I turned on the USB debug mode. Then I booted up the bootloader, plugged the NS into the PC... and despite not having issue when the it's turned on (driver installed properly) windows says drivers have not been found for the device. Thus, when I type fastboot devices, it comes up with nothing.
I've been, and will continue perusing forums for this, but so far I haven't seen anyone with this specific problem.
Edit: I have also gone to the directory with fastboot/adb and used cmd to reboot into the bootloader, only to have windows 'ding ding ding' an unrecognised device.
2nd Edit.
I've gotten a stage further! I'll keep the thread open because I may come across something and it's nice to write my issues down. Seems my head can wrap around the problem a bit better. Anyway, I installed PDAnet and BAM, it works. Onto getting CWM installed! Thanks for the, uh, help!
3rd Edit.
CyanogenMod 10.0 stable is booting for the first time!! It's taking a while... but I appear to be on the home stretch! Also, my phone didn't reboot for a few hours before I installed CM. So if I don't end up somehow bricking it... and I mean, this first boot is taking a heck of a long time... The animation sets me at least a bit at ease... maybe 4.0.4 will work out...
Edit 4
I forgot to clear the app and cache data before flashing the ROM to the phone and thus the issue... after a VERY tension filled moment of pulling the battery during first boot... I rebooted, cleared said data and reflashed the ROM. After a boot, I realised I forgot the GAPPS zip and fixed that. Now I'm running CM10 Stable!! I'm stoked that after months of putting it off cuz last time I did it I didn't get anywhere after many days, but now it's done!! Thanks again for such an awesome site!
Thanks for sharing your experience instead of just saying "Mods please delete this i solved my own problem" :good:

Null IMEI/Baseband

Hey guys, so I'm pretty new to all this, I wanted to root my Galaxy S6 - SM-G920F - to be able to play pokemon from home... yes, that sad. So I started reading XDA like my brother recommended and "learnt" how to root my phone. In the beggining when i was installing SuperSU I had some problems and my phone went into bootloop, but it was because of my cable, I then reflashed it with another cable and it fixed the bootloop issue. I went on to install TWRP and that's when mistakes started happening. First of all, I forgot to back up my phone, including the EFS which, after reading countless posts, I understood is what gives the phone the IMEI code.
I tried installing the standard Xposed on Galaxy S6 (only later on i learnt you must use Wanam on samsungs from S6 and above) and my phone went into bootloop, with out knowing what to do (i tried the uninstall zip but it was failing to install from twrp...), very stupidly, i deleted my System folder... After much more reading, i tried using KIES3 and Smart switch to recover, but they always ask for the stupid recovery code,which I don't have, when i tried the upgrade and initialization option... I tried costum roms and a ****load of stuff. Custom Roms would usually work, my phone would turn on and that's when i noticed my SIM wasn't beeing recognized. (later on i also found out i didn't have IMEI) tried flashing the appropriate MODEM for my galaxy but it all failed. I don't remenber all the stuff I did tbh... I tried the tyrannus ROM and XtreStoLite Universal Deodexed Mod Edition ROM, and tried flashing the MODEM that comes with the last mentioned ROM and yeah, probably just useless attempts that wouldn't fix the problem in the first place. Then i tried flashing Stock, from Sammobile: I bought my phone at the Portuguese vodafone, so G920FXXS3DPF5_G920FVFG3DPC1_TCL (marshmallow) with Odin but it would always fail. Then i read something about splitting the folder in 5 and flashing 1 by 1 and it would work until the Hidden zip, which would always fail. I tried not flashing Hidden and my phone turned on and I went back to stock although, still with out IMEI or baseband. Then after more reading, i found out the best solution would be giving it to a store.
So i just rooted, twrp and did what i wanted to do in the first place. With the correct Wanam Xposed this time (later on i found a way to hack pokemon with out root... sucks :v) and i managed this time.
Yesterday i went to the stored and today the guy told me to go get it, with high hopes i went there, to find out he couldn't fix the problem... He tried Octobox to rewrite the IMEI from the one in the back of phone, but he says it failed. So now I really don't know what to do. The guy went on holidays and told me to go back there when he comes back, we wants to try to downgrade to lollipop and try to fix it from there (he said he has more tools available to work with). It could work, Galaxy S6 just got marshmallow 1/2 months ago officially, and i bought the phone in october of last year, so maybe with the ROM it came with, I really don't know.
At this point I'm just looking for suggestions. I'll be paying attention to the forum and try to reply to all the questions you might have to my best. Thank you all for your time and patience!
:EDIT: so... another major mistake i guess, I found out today, by asking my parents where they got the phone, that the phone wasn't actually purchased in vodafone, the phone was bought in a Samsung store, so it is unblocked. So most likely I've been flashing the wrong stock rom all along. Could you guys guide me in the right direction from here?
What would be the appropriate ROM for the unblocked? vodafone portugal is TCL, optimus is OPT and MEO is MEO. There is another one under the name TPH, would that be the appropriate one?
Solved
Okay... using the correct stock rom fixed all my problems... sorry for wasting your time guys! TPH was the right one
Where did you find your roms?

Need help with my S6!

Hello there,
Please forgive me if i posted this thread on the wrong place.
-I would've not posted a thread here unless this got serious, so i own a Samsung Galaxy S6, it's 1 year old phone, when i first got it, i used it normally like everyone else and had no problem with it, but my curiosity got me to root the phone, i still did not get any problem with it until i chose to add a ROM. I used NNE 5.1 S8 port and it was working well until it got my phone broken somehow.
-My phone started acting really strange after 2 months of activity of that new ROM, my phone just started restarting randomly and it got me worried, i thought it's an application problem so i first just factory reset it. It seemed it was not the problem on an application, so i chose to change my firmware to a stock one. I searched up recently on the newest firmware for S6 and i found out it's: XEF (France) , PDA (AP): G920FXXU6ERC1 and CSC : G920FOXA6ERC1 on 2018-03-22. I Downloaded 4 files: BL,AP,CP,CSC , and i found out about PIT on one of the posts in this forum (Filename: SM-G920F-ZEROFLTE_EUR_OPEN.pit).
-Before i flashed with Odin, i wiped System, Data, Cache and Dalvrik Cache. The firmware worked well but after 1 hour it started doing the same thing but now differently. It happend to me only 1 time that it froze up on an application, but i think that is just an app problem. The main problem is that when i lock my screen, i cannot unlock it anymore, it just freezes there until it restarts after a short period of time. After the restart, it just keeps going, restarts, asks for pin, restarts and so on.
I tried removing the sim card and putting it back in, did not work.
I tried Safe mode, still same.
Model of phone: SM-G920F
Current firmware: XEF (G920FXXU6ERC1)
Android version: Nougat (7.0)
If you can help me, or you know something about this problem, please repost here, i would be really grateful since this is my only phone
Ininstall twrp backup everything most important efs partition.
Install samsung switch and pray that it asks you to do an update. If not try to flash a diferent version of nougat for example November security patch and try again with samsung switch
lenovot said:
Ininstall twrp backup everything most important efs partition.
Install samsung switch and pray that it asks you to do an update. If not try to flash a diferent version of nougat for example November security patch and try again with samsung switch
Click to expand...
Click to collapse
How could samsung switch possibly help?
I did flash it with different versions already, but no luck :/.
I've been praying a lot for this lately but it is not working lol
Please Bump this!
try doing this.
1) go here: https://updato.com/
2) choose download 2 roms. 1 nougat and another marshmallow (to my knowledge, stock roms are one file. no more splits and unless otherwise stated... no need for pit)
3) first flash nougat using oden
4) try the phone for a few some time.
if after a set amount of time, phone works fancy and no issues present then it's solved.
if not... install marshmallow. then try again.
if all this fails then...
install nougat. as soon as possible afterwards install twrp.
boot into twrp and just leave it there. my twrp locks after a while and screen goes dark until user interaction (just like it's supposed to)
if the same thing happens then its a hardware issue... probably... (i have had my main board fail... kinda similar not similar issue... hope you dont have the same issue and that its just software related)
good luck.
In my case every time there was an update available it would download the whole firmware and by doing so you would get the most fresh and updated version. Also it updates every partition to match

Bootloop after installing Xposed on Oreo, Bit of help would be appreciated.

After searching around and not being 100% sure on how I should go about fixing this particular bootloop I decided to post a thread. Bootloader unlocked, phone unlocked, FRP unlocked, and TWRP installed. Can't seem to get the phone recognized when plugged in no matter where I'm at and hisuite recovery doesn't work, nor does the erecovery or whatever it's called. I had the phone running just fine with supersu but after installing my usual Xposed/Busybox and rebooting I got caught in a bootloop. (might have been caused by being on Oreo and having some problems with a version made for Nougat or something). I've seen there are various ways to exit the loop and at this point I'd be open to any but I do notice some posts saying they almost bricked their phone while doing so. Currently on my microSD I've got a hwota update I was going to try to use. I've got no backups in TWRP either because I'm irresponsible (my fault). What can I do to just wipe the phone, reinstall any version of android and get back to where I was at. I'm a little new to this as I've only ever rooted my tablet. Thanks for the help and all the info I've taken from this forum before and hopefully now. Forgot to mention I don't know my full device number only MHA-L29 in the US.
Ok Well after laying in bed and thinking about it I wound up running HWOTA8 from TWRP since I could access that. Seemed to just bring me back to eRecovery, and I factory reset my phone. I'll reinstall TWRP and flash supersu then make a backup and try again. Not sure what happened but I seemed to be in a pretty good spot since I could access TWRP even though my phone wouldn't show up on my computer while in fastboot/Recovery mode.
edit: oh I got a new problem now. I'm on testkeys firmware, camera, sim, and bluetooth work but I can't update from 7 back to 8. I'll do more testing around before bothering to unlock bootloader or install TWRP.
I've been trying to follow the guide in this thread but to no avail. I just get software install failed and then I have to start again.
Well another day of searching google and XDA trying to figure out guides and I don't think I'm any closer to a solution to getting off test-keys. Some seem to suggest that you need to go back to MM, some suggest running HWOTA, some suggest the three button recovery and others say that won't work at all. I'm not sure I've ever felt this confused haha. I'll keep at it but there has to be some way to get to a build that has the updater on it since that's all I seem to be lacking to get off test-keys. I can even search the settings for the updater but when you press it nothing happens. It's like they completely removed any sort of updating this build can do.
KittyCat5eUTP said:
Well another day of searching google and XDA trying to figure out guides and I don't think I'm any closer to a solution to getting off test-keys. Some seem to suggest that you need to go back to MM, some suggest running HWOTA, some suggest the three button recovery and others say that won't work at all. I'm not sure I've ever felt this confused haha. I'll keep at it but there has to be some way to get to a build that has the updater on it since that's all I seem to be lacking to get off test-keys. I can even search the settings for the updater but when you press it nothing happens. It's like they completely removed any sort of updating this build can do.
Click to expand...
Click to collapse
What is your full build number? Please, post screenshot.
5[Strogino] said:
What is your full build number? Please, post screenshot.
Click to expand...
Click to collapse
Model: MHA-L29
Build: NRD90M test-keys
EMUI version: 5.0.1
Android version: 7.0
I believe I was originally on some variant of MHA-L29C567 since I'm US based and its the dual sim version
I've tried using HWOTA a few times to either upgrade/update or rebrand and no matter what I choose when my phone restarts to install I just get software install failed. Usually I'll have to run through first time setup again. I've read that some people said this particular issue had to do with the update zips but mine seem to be named correctly so all I can think of doing is getting another firmware and trying again with that.
haha okay so I found out I was putting the update zips in the wrong folder. I fixed that and re ran HWOTA. update started/finished and my phone started booting and restarting a lot then went into erecovery. I'm downloading the update package right now and it's slow as hell but it's moving. And that failed leaving me to boot a few times and then get back to erecovery. I'll try getting into fastboot or recovery.
Edit: Well that seems to have resolved itself now. After having the erecovery fail I wiped/factory reset and booted the phone into oreo 8.0.0.321 with all the apps and updater. Thanks to everyone who dropped in and I'll be getting emails if someone replies that needs help too. I'm not very knowledgeable but I can give it a shot.

Desperately need help w/issue After 8.0 Update...

S8+ /S8 Global Unlocked Variants, (ie: G955FD, etc) Desperately need help w/issue After 8.0 Update...
Hi, I have a G955FD & have family members with this same model, as well as the Global unlocked regular S8-dual sim. We all have the same issue after the Samsung 8.0.0 update. The phone is no longer reliable. Randomly, these devices will not have any ring on incoming calls. If they don't leave a VM, then you have no indication of a missed phone call. In addition, random periods where text messages will also just not come thru. Difference on the texts is, when you reboot, they all populate in the message app and notifications. But the incoming calls are not known and lost forever w/o a VM left for you by caller.
I have been in contact with Samsung, although they indicate right off that I have no warranty because I didn't buy a carrier device from an authorized vendor for my local use, they were open & helpful to reveal that they are aware of '8.0 ringer issues' on the unlocked global devices. BTW, this must be a huge number of people across the world with this problem, but like my friends/family, originally think they have signal/carrier issues etc. Samsung says that it should be addressed in a patch or update..... but, WHEN? I have had a messed up phone for over 3months and counting.
The only thing that can be done to attempt having the phone work 'more often' is to do a restart every hour all day long and hope that your phone will ring when someone is calling.
I, personally, being the family tech guy, am the one working on the issue so I'm here to ask for help/input.
Been dealing with this issue for over 3 months now, here's some of what I have done and what I'd like help with please...
I have attempted 5x to install a custom ROM from XDA to alleviate this issue completely, but as of now, still unsuccessful. I've been rooting/hacking my android devices since my 1st but somehow can't get the process to work thru. At this point, using Odin, I have no issue to get my phone running TWRP and rooted. Somehow, after that point something isn't going right and my phone has to be re-odin flashed with OEM ROM and then wait 1 week for OEM unlock to re-appear to try again. So, If I could complete this process next time the OEM-unlock is back up, my problem would be over.
Now, since I am having issue with completing a custom ROM install... I thought, why not flash a previous OEM ROM (7.0 NOUGAT) and again, my problem should be over and I could wait until a 9.0 update to see how that goes. So far, any 7.0 stock ROMS I have been able to find/download, have 'failed' install in Odin. (I have standard Odin, patched and Prince Comsey) so I always try them all before I say it's a true fail.
Can anyone help me to understand why, with all the root/roms Ive done, cannot get custom ROM to complete install. I was trying for the CarHD or Batman. after rom flash, something goes wrong and the phone either goes bootloop or failed verify. (BTW, couple X I did flash the no-verify to alleviate that issue but still get bootloop or no new rom boot up)
The other thing I'd love to be able to do right now that 'should' be a piece of cake, (but hasn't been) until I figure out the custom rom install issue, is to ask for anyone that can post a link to a valid ODIN-flashable Stock 7.0 NOUGAT ROM for my S8+ G955F/FD. That would solve everything for now and I'd just disable updates for the interim. As previously mentioned, the couple I have found would only FAIL on Odin flash attempts. Seeing that this is a global, unlocked device, is it possible to flash a stock rom or flash a diff CSC that can get me North America Tmobile setup (my USA provider) I noticed that the global phone has no options to disable LTE or turn wifi calling on/off etc.
I apologize if I have jumped around in my post, not provided enough details or not written very eloquently, but I am happy to provide any other needed info to move forward if any of you have ideas here. I'm just at the end of my rope with this right now.
Any help, input here is much appreciated! TIA! mark~
Trying to be helpful here.
For some folks flashing with Odin the first run through errors/fails. That issue was a PITA. I found a post somewhere which said when you hook up the phone to flash with Odin, the first attempt will fail, but to leave the phone connected, go back into download mode, and flash again. Do not unplug the phone when you do this.
For some reason there's a kink in Odin with some folks.
That info, wish I could recall who by - they deserve the recognition, anyway it solved all my Odin errors.
JeffDC said:
Trying to be helpful here.
For some folks flashing with Odin the first run through errors/fails. That issue was a PITA. I found a post somewhere which said when you hook up the phone to flash with Odin, the first attempt will fail, but to leave the phone connected, go back into download mode, and flash again. Do not unplug the phone when you do this.
For some reason there's a kink in Odin with some folks.
That info, wish I could recall who by - they deserve the recognition, anyway it solved all my Odin errors.
Click to expand...
Click to collapse
hey jeff, thanks for checking in when the OEM unlock button returns again tomorrow, I'll keep this in mind on my next attempt. i did encounter that fail several times with some OEM firmware flashes (trying to go back to 7.0) and this should resolve that problem. overall though, my real issue seems to be when attempting a root/custom rom instead of a stock replacement... and 'after' i get TWRP completed. I'm doing something wrong with a button hold sequence or something else. maybe need flash 'do not verify' right off too. I'm gonna go extra slow/careful following each step from a great, detailed post for TWRP/ROOT/ROM procedure that i found here over weekend written by 'jesec' what i hate the most is, i only have 1 shot doing this with the oem unlock button, if messed up, have to re-flash a stock rom and wait another 7 days to try this all again.
i still cannot believe its been about 13wks and samsung says they are aware, yet still has not patched this problem. i love my samsungs but im so fed up, i almost ordered a oneplus 6 this weekend just because of this random no ring issue.
thanks much!

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