Develop Bugs

Identity Crisis! SCH-R760 or SPH-D710?

Hello, I bought a used phone from eBay, like the ones on this section, but I want to root it, I'm not sure what would brick this phone, my problem is that when I boot it up, it says it's a US Cellular SCH-R760, same thing with the "about phone" section of the settings.
But, the battery cover says it's a Sprint phone, and taking off the battery reveals a sticker with the model being SPH-D710.
Did somebody root it? I tried using root checker and it said "Negative"
If I were to root it, what phone would I take the files from?
Thank you, and sorry if this is in the wrong section.

Wow... That's a new one. I would try Framaroot so you don't flash the wrong files. Sounds like you got a refurbished phone of some sort, or somebody took the motherboard from the US Cellular and slapped it into a Sprint body. I personally world trust Settings/About Phone over the sticker tho. Which means you'll have to run a converter. Is your phone activated? Do you have a carrier?
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bilgerryan said:
Wow... That's a new one. I would try Framaroot so you don't flash the wrong files. Sounds like you got a refurbished phone of some sort, or somebody took the motherboard from the US Cellular and slapped it into a Sprint body. I personally world trust Settings/About Phone over the sticker tho. Which means you'll have to run a converter. Is your phone activated? Do you have a carrier?
Click to expand...
Click to collapse
Yes, I'm using Page Plus, everything works, I just get about 2/3gish speeds.

Did you flash it to Page Plus or was it already flashed?

bilgerryan said:
Did you flash it to Page Plus or was it already flashed?
Click to expand...
Click to collapse
I took it to a store, and some guy I think flashed it for me.

Can you take a screenshot of your Settings/About Phone?

bilgerryan said:
Can you take a screenshot of your Settings/About Phone?
Click to expand...
Click to collapse
Ok, give me a minute.

Here you go.

You have a us cellular sch-r760. Whoever tou got it from took the motherboard from the uscellular and put it in the sprint version body. I am not sure if flashing files here would hurt the phone. I do know there is a different website for your phone though. Team us cellular has roms and whatnot for your phone. Unsure of the exact web address sorry. Google will help though. Goodluck
Sent from my SPH-L900 using Tapatalk

And it's still on GB...eek, yeah I don't think anybody but a couple people can help you out. @diceman1000 and @ps3hacker3 might be able to help if I remember right.

The SCH-R760 is the same as the E4GT less the 4G. Thou should be able to glass any E4GT ROMs, AOSP, NOT STOCK? And they should work. You'll have to use Handcent or GoSMS and manually put in your PP APNs in order for MMS to work though.
Sent from my SCH-R760X using Tapatalk now Free

Adan_Jr said:
Here you go.
Click to expand...
Click to collapse
Check out Buckleberry on the team us cellular site. Master of inversions. Only inverted Skydrive I ever found. Makes good roms, too. You have some good devs over there. You should have no problem finding what you need.
Some links for you...
http://teamuscellular.com/Forum/topic/4280-stable-jelly-bean-rom/
Development thread,
http://teamuscellular.com/Forum/forum/272-galaxy-s-ii-romskernelsmods/
Sent from my SPH-D710 using inverted blue xda premium

micmars said:
Check out Buckleberry on the team us cellular site. Master of inversions. Only inverted Skydrive I ever found. Makes good roms, too. You have some good devs over there. You should have no problem finding what you need.
Some links for you...
http://teamuscellular.com/Forum/topic/4280-stable-jelly-bean-rom/
Development thread,
http://teamuscellular.com/Forum/forum/272-galaxy-s-ii-romskernelsmods/
Sent from my SPH-D710 using inverted blue xda premium
Click to expand...
Click to collapse
Wow how did i not see this sorry guys but yes the E4GT and the uscc verion of the SCH-R760 are the exact same phone without 3g and its kind of weird cause i have recently taken mine apart to look at the motherboard lol and noticed that the motherboard has stickers for the SCH-R760 but there is one portion of the phone up in the top right side of the motherboard that has a sticker for the SPH-D710 which is the sprint variant lol (my phone is brand new as well when i got it no one else has had mine to switch counterparts it came like that weirdest ive seen lol) and like he said before both phones can run both sets of roms feel free to flash anything in store for the sph-d710 onto our uscc version in the exception of completely stock odin files of course

ps3hacker3 said:
Wow how did i not see this sorry guys but yes the E4GT and the uscc verion of the SCH-R760 are the exact same phone without 3g and its kind of weird cause i have recently taken mine apart to look at the motherboard lol and noticed that the motherboard has stickers for the SCH-R760 but there is one portion of the phone up in the top right side of the motherboard that has a sticker for the SPH-D710 which is the sprint variant lol (my phone is brand new as well when i got it no one else has had mine to switch counterparts it came like that weirdest ive seen lol) and like he said before both phones can run both sets of roms feel free to flash anything in store for the sph-d710 onto our uscc version in the exception of completely stock odin files of course
Click to expand...
Click to collapse
Thanks to everybody on this thread, this really cleared up some confusion.

4g test device ????

Hello all. I been on the forums a long time but never needed to post until now.
I just bought a HTC One from Gazelle and when I was on the phone with Verizon activating it, the rep asked me to verify that I had the right imei numbers. He stated to me (and it shows on my Verizon page) that it is a "4G TEST DEVICE " Sure enough when I went to the apps page I see apps for:
Dev Tools
Google Settings
HTC SSD Test Tool
Power Usage Reporter
PVS Info
RxD Test QMI
User Trial Feedback
Before buying this I knew I wanted to flash to the HTC One developer Edition. But at this point I am not sure if I should take any special things into mind as this is a Verizon test/development phone. I am content to use it as it is except it won't let me update to the latest builds for the phone. It is running software 1.09.90605.6 which if I understand correctly is a old version. Does anyone have advice? Do you think and of the rom cooks would like a dump from this rare find?
Thanks all
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Can you check your model number, and post a pic or report what the HBOOT screen says.
Sent from my HTC6500LVW using Tapatalk

bschram said:
Can you check your model number, and post a pic or report what the HBOOT screen says.
Sent from my HTC6500LVW using Tapatalk
Click to expand...
Click to collapse
Sure here is a pic form the boot loader.
Model number on back on bottom is HTC6500L SKU is HTC6500LVW

Here is another pic of what came stock on this phone that is different from stock apps on the retail htc one.

damn came S-offed thats pretty sweet.
Sent from my HTC6500LVW using Tapatalk

lancasterv3 said:
damn came S-offed thats pretty sweet.
Sent from my HTC6500LVW using Tapatalk
Click to expand...
Click to collapse
Well I want to flash this to the developer version, but before I do it I wanted to see if any of the rom devs wanted to capture the current image from the system before I do as I don't know how valuable this phone stuff is in its current state. (remembers back when the first android equip dev hp touchpad landed in the hands of the public on accident)

Definitely. There's a bunch of debug tools and hidden APKs cut out from the final release builds that can give us more insight into the radio hardware, for example.

I would ask around, maybe sonic would know.

off topic, im Curious how was the condition of the phone? I almost bought a phone from them but was a little leary
Sent from my One using Tapatalk

Being that no one showed much interest and was running a pre release version and couldn't update to the Verizon kitkat rom, I have to wipe the whole phone clean. To the point that I bricked the phone and I had to use fastboot command in recovery to flash the stock Verizon rom before I could update. Needless to say I was up in the wee hours of the morning doing this.
The phone had nicks, on the aluminum casing and there was a small deep scratch in the middle but considering this phone was probably used a lot in a test lab its in pretty good shape.

thebaka18 said:
Hello all. I been on the forums a long time but never needed to post until now.
I just bought a HTC One from Gazelle and when I was on the phone with Verizon activating it, the rep asked me to verify that I had the right imei numbers. He stated to me (and it shows on my Verizon page) that it is a "4G TEST DEVICE " Sure enough when I went to the apps page I see apps for:
Dev Tools
Google Settings
HTC SSD Test Tool
Power Usage Reporter
PVS Info
RxD Test QMI
User Trial Feedback
Before buying this I knew I wanted to flash to the HTC One developer Edition. But at this point I am not sure if I should take any special things into mind as this is a Verizon test/development phone. I am content to use it as it is except it won't let me update to the latest builds for the phone. It is running software 1.09.90605.6 which if I understand correctly is a old version. Does anyone have advice? Do you think and of the rom cooks would like a dump from this rare find?
Thanks all
Click to expand...
Click to collapse
I purchased a Galaxy S3 from a local rep that shows to verizon as a 4g test device also. It has been this way since i got it approximately 2 years ago. It also has a similar stamp on the front face as yours showing which test device number it was.

My G4 is model H815, thought I'm confused. what model do I actually have?

I have the H815, above the UPC it says USA.
What model do I actually have?!?!?!?
Is there an unlocked USA version floating around?
I'll post some pictures in a bit
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Your post had nothing to do with Unlock and Root Discussion but it is a good topic:good:
I don't have a direct answer for you, but here are model #'s by region http://www.gsmarena.com/lg_g4-6901.php

double post

TonyStark said:
Your post had nothing to do with Unlock and Root Discussion but it is a good topic:good:
I don't have a direct answer for you, but here are model #'s by region http://www.gsmarena.com/lg_g4-6901.php
Click to expand...
Click to collapse
Sorry I posted it there because I originally thought it was a European version and tried to unlock it. When I went to the LG page it could not find my suffix? So i came back to where people were talking about unlocking the different versions and asked what version I had.

Milimbar said:
I have the H815, above the UPC it says USA.
What model do I actually have?!?!?!?
Is there an unlocked USA version floating around?
I'll post some pictures in a bit
Click to expand...
Click to collapse
You have the LG G4 USA TRIAL PROGRAM version. The same one LG USA MOBILE gave me. I guess you brought fron someone who won the phone.
Sent from my LG G4 H815 US 4G LTE

Milimbar said:
Sorry I posted it there because I originally thought it was a European version and tried to unlock it. When I went to the LG page it could not fine my suffix? So i came back to where people were talking about unlocking the different versions and asked what version I had.
Click to expand...
Click to collapse
No worries, it's a quandary worth cracking:highfive:

rogconnect said:
You have the LG G4 USA TRIAL PROGRAM version. The same one LG USA MOBILE gave me. I guess you brought fron someone who won the phone.
Sent from my LG G4 H815 US 4G LTE
Click to expand...
Click to collapse
UGH, that might cause some problems. With the limited quantity of that version, it may never get unlocked.

where did u buy that one from?

Excalabat said:
where did u buy that one from?
Click to expand...
Click to collapse
swappa.com

and this version doesn't any carrier bloat?

Milimbar said:
UGH, that might cause some problems. With the limited quantity of that version, it may never get unlocked.
Click to expand...
Click to collapse
On the contrary if what @rogconnect is saying is correct, this may be a developers edition.

Excalabat said:
and this version doesn't any carrier bloat?
Click to expand...
Click to collapse
No carrier bloat at all

I believe he just has a normal, "locked up tight", H815 model. Just because it was won does not mean it is any different than the normal H815 that I own which cannot be unlocked either. There are different models for different countries and you need to look for the country code to determine if it's the EU variant, which it looks like it is not as it would have been sold in that area anyways. I think you just have the standard H815 like many of us do, and it's NOT unlockable, which is why you are getting that message at LG dev.

can the service menu be accessed?
This would tell all.

It has the different software version EUR "b" instead of "a"
Well, so far so good no lag for me.
Sent from my LG G4 H815 US 4G LTE

if it has all the t-mobile bands and no t-mobile apps i think i want to buy one

What is the code for the service menu on the G4?

rogconnect said:
It has the different software version EUR "b" instead of "a"
Well, so far so good no lag for me.
Sent from my LG G4 H815 US 4G LTE
Click to expand...
Click to collapse
My about / software looks exactly the same as yours, VX10b-EUR-XX

TonyStark said:
can the service menu be accessed?
This would tell all.
Click to expand...
Click to collapse
You mean 277634#*#?
Yes..its can
Excalabat said:
if it has all the t-mobile bands and no t-mobile apps i think i want to buy one
Click to expand...
Click to collapse
I using TMO LTE.
IDK why LG omitted this model since they gave UK TRIAL model unlocked bootloader option key.
Sent from my LG G4 H815 US 4G LTE

Come on Iron Man, get J.A.R.V.I.S. on this soon, we need unlocked phones!

how can you determine the manufacturing date of an LG G4?

also is there upgradable firmware in this phone? (not referring to the ROMs we are flashing, I mean the firmware for the phone's hardware itself, nothing to do with Android)

There is an App which is called LG phone info. You should see the manufacturing date with it

First 3 digits of serial number are year/month in ymm format. 507: 5 = 2015, 07 = July.

Are people checking because of the rumors faulty motherboard?
Sent from my LG-H811 using Tapatalk

dfunkbv said:
There is an App which is called LG phone info. You should see the manufacturing date with it
Click to expand...
Click to collapse
whoa - that app is awesome!!!

shook187 said:
Are people checking because of the rumors faulty motherboard?
Sent from my LG-H811 using Tapatalk
Click to expand...
Click to collapse
mine was made May 20, and it works great - this app even tells the three digit LG country code in case you do not have your original box, and want to know if bootloader can be unlocked

WTF? said:
whoa - that app is awesome!!!
Click to expand...
Click to collapse
does that app show how many times it's been flashed with different roms?

reg66 said:
does that app show how many times it's been flashed with different roms?
Click to expand...
Click to collapse
no, and why would it matter, your G4's rewritable internal memory can handle 1000's of flashes throughout its lifetime!

Well, mines is having crazy sections of bootloops for no apparent reason. When it happens it can't enter Recovery. It bootloops even from download mode. When I manage to successfully flash a Kdz, bootloops still come back again after some time. And guess the manufacturing date

check the date in http://imeidata.net/check?imei=<your imei> and go to warranty (or directly http://imeidata.net/warranty/lg?imei=<your imei> )

WTF? said:
also is there upgradable firmware in this phone? (not referring to the ROMs we are flashing, I mean the firmware for the phone's hardware itself, nothing to do with Android)
Click to expand...
Click to collapse
Mine says it on the box it came in. Same as with my G3, so if you still have your box I'd say that's the easy answer.
---------- Post added at 02:06 AM ---------- Previous post was at 02:01 AM ----------
GUGUITOMTG4 said:
Well, mines is having crazy sections of bootloops for no apparent reason. When it happens it can't enter Recovery. It bootloops even from download mode. When I manage to successfully flash a Kdz, bootloops still come back again after some time. And guess the manufacturing date
Click to expand...
Click to collapse
what date is frowned upon? What issues are we talking about, the bootlooping? Is that specific to a certain variant or all?

petermg said:
Mine says it on the box it came in. Same as with my G3, so if you still have your box I'd say that's the easy answer.
Click to expand...
Click to collapse
where is the firmware version shown on the box and what is the latest version?

WTF? said:
where is the firmware version shown on the box and what is the latest version?
Click to expand...
Click to collapse
It depends on your variant as far as what the latest version is. Mine is on the side of the box, on a sticker/label.

petermg said:
It depends on your variant as far as what the latest version is. Mine is on the side of the box, on a sticker/label.
Click to expand...
Click to collapse
this label is identical to mine - I don't see any firmware info
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petermg said:
Mine says it on the box it came in. Same as with my G3, so if you still have your box I'd say that's the easy answer.
---------- Post added at 02:06 AM ---------- Previous post was at 02:01 AM ----------
what date is frowned upon? What issues are we talking about, the bootlooping? Is that specific to a certain variant or all?
Click to expand...
Click to collapse
It was on May. Now it is totally useless stuck in bootloops. Maybe it is the most common manufacturing date and the buggy devices might represent a low %, but not all made on that batch.

what your lg g4 manufacture date
GUGUITOMTG4 said:
Well, mines is having crazy sections of bootloops for no apparent reason. When it happens it can't enter Recovery. It bootloops even from download mode. When I manage to successfully flash a Kdz, bootloops still come back again after some time. And guess the manufacturing date
Click to expand...
Click to collapse
???

I have had two g4 that were purchased at same time fail right at the 12 mos
They were both 508 date code
Luckly they both replaced under warranty
When they failed they would get stuck at boot screen "lg life is good" sometimes going through endless restarts or just shutting off where you need to pull battery to get it to try again
Data was recovered by freezing. I put in a zip lock bag in freezer for half hour. It would then boot normally. Needed to keep cold entire time, once it heats up it will stop. So use a bucket of ice or run your usb cable out of your freezer while downloading. Tried using a hair dryer to heat, but that method only worked once for a few minutes.
This is a manufacturing defect, some kind of bad solder joint or similar issue.
From my research, appears to happen more often in summer months, like you leave phone in hot car and a weak solder joint gives out. Heating and cooling works to temporarily cause the electrical connection to work through thermal expansion or contraction.

Question IMEI 00000

Hii have a zfold 4 f936b bought from eBay.
It says IMEI is 00000000 and when I insert sim nothing happens.
Any idea what are my options ? Some people say is a demo phone but it don't look like some other says the user trying to root it but failed. Obviously eBay seller won't take any responsibility
Look forward for your comments.
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Return it.

blackhawk said:
Return it.
Click to expand...
Click to collapse
I waited to long can't do it now . Now my only hope it's to find a way to make this work more than using it as a tablet

when you bought the phone. was it specified in the ebay description that the phone is faulty/locked/imei probelm/etc? was it ":buy as is"? if yes, then you might be in a bit of a pickle of trying to complain/return it. however, if the description said the phone was fine and had no issues: how long ago was the purchase? if you paid by paypal, i believe you have 45 days from the day you paid to lodge a dispute.

Emmanuel Spadafora said:
I waited to long can't do it now . Now my only hope it's to find a way to make this work more than using it as a tablet
Click to expand...
Click to collapse
The phones efs/file is corrupt. See...
What is EFS folder ?
Hi All, I came to know the EFS folder is very important in Samsung phones. I didn't cared about it and flashed a different region ROM (XEU->OZS). Each thing is working fine. I can remember that there used to be some files inside the EFS folder...
forum.xda-developers.com
I have never been able to repair an efs/file but here is a link to someone who claims to have done so...
[GUIDE] how to fix EFS Damaged on samsung devices [EASY!]
Edited in 2022 to make it look a bit better! *WARNING* *TAKE A NANDROID BACKUP OF EFS AND BASEBAND BEFORE STARTING* Hello people, first I want to say that this is my first guide so it doesn't really look professional but I am doing my best to...
forum.xda-developers.com

blackhawk said:
Return it.
Click to expand...
Click to collapse
I use a forwarder to bring the articles bought in eBay to central america
[email protected] said:
The phones efs/file is corrupt. See...
What is EFS folder ?
Hi All, I came to know the EFS folder is very important in Samsung phones. I didn't cared about it and flashed a different region ROM (XEU->OZS). Each thing is working fine. I can remember that there used to be some files inside the EFS folder...
forum.xda-developers.com
I have never been able to repair an efs/file but here is a link to someone who claims to have done so...
[GUIDE] how to fix EFS Damaged on samsung devices [EASY!]
Edited in 2022 to make it look a bit better! *WARNING* *TAKE A NANDROID BACKUP OF EFS AND BASEBAND BEFORE STARTING* Hello people, first I want to say that this is my first guide so it doesn't really look professional but I am doing my best to...
forum.xda-developers.com
Click to expand...
Click to collapse
Will take a look

Sorry, meant to respond but was in out of service area..
Yeah, you were ripped off... Someone has done something that has wiped the IMEI number. Unfortunately it is a mother to fix, if it can be (Might lose IMEI everytime the phone is reset).
Been years since I had to play around with that and the programs I used to use probably don't work anymore, if I even had them backed up anywhere...
Unfortunately this is the risk of buying off Ebay.

May be a demo phone, all demo devices sent to retailers have no IMEI ie 00000..
Probably snatched from a TMO or VZW and reflashed.

Paradoxumical said:
May be a demo phone, all demo devices sent to retailers have no IMEI ie 00000..
Probably snatched from a TMO or VZW and reflashed.
Click to expand...
Click to collapse
Not TMO or Verizon, this is an international model:
SM-F936b...

ultramag69 said:
Not TMO or Verizon, this is an international model:
SM-F936b...
Click to expand...
Click to collapse
That's neither here nor there.
All retailers (Best Buy, Walmart, etc), cellular providers, and the rest are sent demo phones with no modems to try and alleviate the chance of a snatch & grab.
Chances are extremely high it's one of those devices.

Paradoxumical said:
That's neither here nor there.
All retailers (Best Buy, Walmart, etc), cellular providers, and the rest are sent demo phones with no modems to try and alleviate the chance of a snatch & grab.
Chances are extremely high it's one of those devices.
Click to expand...
Click to collapse
Lol, it's not here but it's there... return it. Otherwise you have a parts queen or play Android roulette and buy a used working mobo. Or buy a new mobo.

Even your 2 imei is 000000?
because sometime the 2nd remain at that point u will use an esim
therefore, Ive been in this situation in the past and the device was mine for some reason i lost the imei.
check if ur device was rooted if it was this could be one on teh reason
I paid someone he fixed it remotely at that time it costed me 20$ .

Are you from Honduras?