Need help flashing my cellphone. - General Questions and Answers

Hi,
i got an Homtom HT16 and i wanted to get rid of all that spyware, so i decided to change my firmware.
Eventually i found this threat: https://forum.xda-developers.com/android/help/how-to-root-homtom-ht16-t3508772 and the instructions of the first comment led me the furthest of what i have found in the internet. Now i have the same problems as the guy in the last comment. That means, i already stopped at half its way. Currently i am stuck at instruction point 6, and i get an infinite boot loop. Considering i already needed half a day pureley for this issue and a million softwares downloaded, i decided to stop and ask for help. I don't want to have what that other poor guy has been through.
I hope someone can help me out. The firmware that i want to have, is lineageOS14.1 from needrom, but i don't really care. I would be satisfied with vanilla android, but it's not available, so i randomly chose this.

Update: I managed to get to the same dead end as the guy i've refered to previously. Boot loop + russian error messages. What a nice chunk of time and effort i have wasted. If anyone needs a new phone, call me. Oh no, you can't. Because my ****phone does not work :laugh:

Related

[Q] HTC Evo 3D Root/Unroot... oh I don't know

Hi all, it's been a while since I have posted here, but I am in need of some help. I am not an experienced rooter (if that is a word), but I dabble in what I can, and do a lot of research on the subject, and this forum has helped me over the years to achieve my goals, however, I think I may have gotten in a little over my head here.
Here's the situation, my mother in law has an HTC Evo 3D that she received as an upgrade sometime last year on the Sprint network (US), but is now is not activated and just sits in her desk until it can be used again. I was trying to help her to find a cheaper phone company that would allow her to keep her phone without paying an arm and a leg to use it. I told her I would do what I could, but I couldn't guarantee anything. I recently found a post on here that had instructions on how to flash the Evo 3D to the Onessa Boosted (Boost Mobile) Essentials ROM, and I thought it was going to be an easy fix.
Long story short, I rooted the phone, flashed it with the ROM and I ended up with a constant boot loop. I tried to go back to stock, but couldn’t because my dumba$$ forgot to back up the stock rom in the recovery menu and I only ended up unrooting the phone, now I don't know what to do. Now when I boot the phone, it keeps taking me back to the fastboot menu, and it won’t let me use any of the functions in there. I just hope I didn't brick the phone. I don't want to come back to her empty handed, but I feel if I cannot receive any help here, I may have to. Any help that you can provide would be extremely useful at this point.
DPAGOH

[Q] 4.4.2 Finally Rooted, Unlocked, Flashed Recovery, and Cyanogenmod installed

Alright so let me start off by saying that I have never had so much hell rooting and putting a custom Rom onto a phone. I am also a bit disappointed in xda as non of the articles were of much help, they were all broken up and I ran into trouble at literally every step. The easiest part was rooting the phone with ioroot, but finding it actually wasn't that easy because most of the tutorials I found from the start kept having me use other methods and none of them worked.
Second once I performed this step and had everything installed I realized that in order to use my wifi hotspot, I was going to need a custom rom. this was of course after trying dozens of worthless hotspot apps in the store, none of which worked. So I started trying to put a custom recovery on the phone, this was by far the hardest part, I tried and scoured the internet for 3 days, I swear to god I read every article and tried every method out there....the new ATT LG G2's however have a lock on the recovery to prevent people from doing this, I found it strange that none of these articles written based on 4.4.2 thought to mention that an exploit has not yet been found. Finally I ran across an article where I learned of this and was told to downgrade, so I downloaded SuperSport & big fau LG G2 D800 Flash stock. Thinking that this rom was going to unlock the recovery because it said it would, I ran through the process.
This however, was not the case and it didn't help, the whole time I was convinced that this had unlocked my recovery, I continued to try every tutorial on installing a recovery onto this device, the AT&T LG G2 kitkat 4.4.2 (D80020c), which btw is a week old from the date of this post. I like a lot of other people, will have this phone and be looking to unlock, root, install custom recovery, and install custom rom. For this I would like to figure out a few things and hopefully if y'all help me figure this out, I can include fixes for it in the next article that I write, which will explain how I successfully put a custom rom on my AT&T from start to finish. I will also include in this article what could go wrong and how to fix it, too many articles are written without taking into consideration the possibilities of what could go wrong.
It took me three solid days of scouring the internet to get a custom Rom on my phone, running through problems at every step I still have a few questions. After downgrading from 4.4.2 to 4.2.2 my recovery was broke, thankfully I was able to fix this using flashify in the app store. I then installed Cyanogen Mod 10 (cm-10.2.0-d802.zip). and installed it through recovery, when I rebooted I was presented with a fastboot which would do crap when I would plug the usb into my computer...I never figured out what the problem was for this, but I ended up trying a version of CM 10 which was released for the LG G2 D80010d that I downgraded too, the tethering doesn't work...no big deal, but the problem is when I set WiFi hotspot up and connect, on my computer I get SSL error's, my computer completely refuses to let my connect to facebook or google, saying that the connection is insecure, it won't let me grab any kind of certificate and I can't find a solution online. I have tried rebooting both the computer and phone, I don't get these errors on the WiFi at the gas station.
In the above paragraph, I stated the two problems I couldn't really figure out, I haven't tried to install any other custom roms, but I will try that today, I have to save my bandwidth on my phone so I will walk down to the truck stop and download one, ps I had to flash my phone back to stock about 5 times before I finally figured out I needed to downgrade it, then I had to do it 2 more times.
If y'all take the time to read this and help me, then I will take the time to write a new and working article describing how to do it from start to finish and it will be written with explicit detail on every problem I came across and how I fixed it.
Figured out how to mix the firmware
Alright, so I was reading through a few more articles and I ran across this link, which will allow you to upgrade back to D80020c, but without loosing the stock recovery. I'm going to have to wait till later today to give it a try though, because the internet at the truck stop is to slow to download something of that size.
J0hnC0nn3r said:
Alright so let me start off by saying that I have never had so much hell rooting and putting a custom Rom onto a phone. I am also a bit disappointed in xda as non of the articles were of much help, they were all broken up and I ran into trouble at literally every step. The easiest part was rooting the phone with ioroot, but finding it actually wasn't that easy because most of the tutorials I found from the start kept having me use other methods and none of them worked.
Second once I performed this step and had everything installed I realized that in order to use my wifi hotspot, I was going to need a custom rom. this was of course after trying dozens of worthless hotspot apps in the store, none of which worked. So I started trying to put a custom recovery on the phone, this was by far the hardest part, I tried and scoured the internet for 3 days, I swear to god I read every article and tried every method out there....the new ATT LG G2's however have a lock on the recovery to prevent people from doing this, I found it strange that none of these articles written based on 4.4.2 thought to mention that an exploit has not yet been found. Finally I ran across an article where I learned of this and was told to downgrade, so I downloaded SuperSport & big fau LG G2 D800 Flash stock. Thinking that this rom was going to unlock the recovery because it said it would, I ran through the process.
This however, was not the case and it didn't help, the whole time I was convinced that this had unlocked my recovery, I continued to try every tutorial on installing a recovery onto this device, the AT&T LG G2 kitkat 4.4.2 (D80020c), which btw is a week old from the date of this post. I like a lot of other people, will have this phone and be looking to unlock, root, install custom recovery, and install custom rom. For this I would like to figure out a few things and hopefully if y'all help me figure this out, I can include fixes for it in the next article that I write, which will explain how I successfully put a custom rom on my AT&T from start to finish. I will also include in this article what could go wrong and how to fix it, too many articles are written without taking into consideration the possibilities of what could go wrong.
It took me three solid days of scouring the internet to get a custom Rom on my phone, running through problems at every step I still have a few questions. After downgrading from 4.4.2 to 4.2.2 my recovery was broke, thankfully I was able to fix this using flashify in the app store. I then installed Cyanogen Mod 10 (cm-10.2.0-d802.zip). and installed it through recovery, when I rebooted I was presented with a fastboot which would do crap when I would plug the usb into my computer...I never figured out what the problem was for this, but I ended up trying a version of CM 10 which was released for the LG G2 D80010d that I downgraded too, the tethering doesn't work...no big deal, but the problem is when I set WiFi hotspot up and connect, on my computer I get SSL error's, my computer completely refuses to let my connect to facebook or google, saying that the connection is insecure, it won't let me grab any kind of certificate and I can't find a solution online. I have tried rebooting both the computer and phone, I don't get these errors on the WiFi at the gas station.
In the above paragraph, I stated the two problems I couldn't really figure out, I haven't tried to install any other custom roms, but I will try that today, I have to save my bandwidth on my phone so I will walk down to the truck stop and download one, ps I had to flash my phone back to stock about 5 times before I finally figured out I needed to downgrade it, then I had to do it 2 more times.
If y'all take the time to read this and help me, then I will take the time to write a new and working article describing how to do it from start to finish and it will be written with explicit detail on every problem I came across and how I fixed it.
Click to expand...
Click to collapse
J0hnC0nn3r said:
Alright, so I was reading through a few more articles and I ran across this link, which will allow you to upgrade back to D80020c, but without loosing the stock recovery. I'm going to have to wait till later today to give it a try though, because the internet at the truck stop is to slow to download something of that size.
Click to expand...
Click to collapse
well first I want to clarify you on that week old part especially since we have had kitkat on d800 since about feb 27 in fact if you look at garys thread about kk with custom recovery which is originally from march 6(on 5th we figured out what needed to be done but on 6th they began rolling out) and also if you would have asked for assistance I could have helped to find all needed info on rooting and everything (I just don't spend a lot of time in the dedicated d800 thread) anyways as for 20c I've been on it since root was available(also on first day of release of 20c) and have been running garys rom since it was released and I love it but if you want tethering(I know a way to enable you just need a paid app) and there are already threads on doing things from start to finish http://forum.xda-developers.com/showthread.php?t=2633150
Thanks
XxZombiePikachu said:
well first I want to clarify you on that week old part especially since we have had kitkat on d800 since about feb 27 in fact if you look at garys thread about kk with custom recovery which is originally from march 6(on 5th we figured out what needed to be done but on 6th they began rolling out) and also if you would have asked for assistance I could have helped to find all needed info on rooting and everything (I just don't spend a lot of time in the dedicated d800 thread) anyways as for 20c I've been on it since root was available(also on first day of release of 20c) and have been running garys rom since it was released and I love it but if you want tethering(I know a way to enable you just need a paid app) and there are already threads on doing things from start to finish http://forum.xda-developers.com/showthread.php?t=2633150
Click to expand...
Click to collapse
Sorry, I didn't mean to sound like a ****. I just had a really hard time finding a complete walkthrough on this, I ended up taking bits and pieces from different tutorials and it seemed that most of them only covered one aspect of the process, like recovery, or if they covered the whole walkthrough they would either leave something out or I would recieve errors, such as the loki error, and the original adb not detecting my device. I had to download an adb from an alternative source because the official adb wouldn't detect my device, after trying everything but it didn't bother me because I figured it out and thanks for your response, really appreciated, I will check that out....How many mods have you tried and what features do you like about them? I liked the ideal of the CM 11 for the 4.4.2 because it boasted the porting of pretty much every feature that comes on the LG G2 4.4.2...Like the double tap to unlock and such....I will check out Gary's mod and see what it offers, thanks again
I would just like to start out by saying congrats on getting your device to where you've wanted it - I do agree that the G2 is a special case right now considering the lack of development and spotty information available for development.
With that being said...
There is a really good reason why the site was named XDA-"Developers" and not XDA-"Newbs". The primary focus of these forums is for the purpose of developers engaging one another and sharing their discoveries with the community. There are some really great developers here that take a LOT of their own PERSONAL time to create the stunning softwares, hacks, themes, etc. that often ultimately get freely distributed to the public. Take note that 99% of these threads start off with "Use my software and instructions with NO expectation of support or warranty" or "Flash at your own risk".
These folks give so much to the community and often ask for little or nothing in return. While the information right now is pretty sparse and scattered, do you think you could have achieved what you did without it? The mere fact that you have a custom ROM, root and recovery is a testament to the hard work of the folks here who are giving their own time up in the name of furthering development. Our G2s, while stellar devices, are the outliers in the world right now because they are not in the hands of the masses. How many people have looked at you and asked "is that the new Galaxy??" I believe in time, someone with way more time and Android know-how than I, will deliver something mind-blowing to the XDA community for this device. Just be patient and realize that the majority of Smartphone users right now have a GNote, S4, or HTC something-or-another.
Finally, re-read your post and try to hear the tone you delivered. You sound upset that the XDA community hasn't delivered you an easy root/recovery package on a silver platter with all the trimmings. Again - this forum is for developers. What they choose to share with the rest of us as non-developers is totally up to them. They also tend to share more when the support they receive is positive. Long rants about your disappointment in the community over how you had a hard time getting what you wanted on your device - well you catch more flies with honey...
Cliffs notes? Hug a developer, and say thank you for what you've managed to accomplish with your device. Without the info posted around here, we'd all be living with stock ROMs and unrooted, bland G2s. If you are unhappy with your own personal experiences with getting to where you are right now... Well, you obviously know where the "new post" button is. Become a contributor, tell us how YOU did it and give back to the community. If you only rant about your disappointments, then you aren't really making anything better for anyone around here - in fact it only serves to clutter up an already fragmented knowledge base.
From one long winded poster to another - good luck in your ventures with the G2. It has served me well so far and I believe it will continue to do so for quite a while.
Regards.
Sent from my LG-D800 using Tapatalk
tethering
If tethering is all you wanted. I would have done it the easy way. You can unlock WiFi tether by trying to turn it on, then when it fails use sqlite editor from the market to go in and change the provisioning status to 0 in the database file. Sqlite costs 2 bucks, it would be worth that to not have to go through all that. I never thought I would own a phone without a custom Rom, but so far I'm still stock on the lg g2 it's that good. Most annoyances can be fixed as long you have root.
Krayziepop said:
I would just like to start out by saying congrats on getting your device to where you've wanted it - I do agree that the G2 is a special case right now considering the lack of development and spotty information available for development.
With that being said...
There is a really good reason why the site was named XDA-"Developers" and not XDA-"Newbs". The primary focus of these forums is for the purpose of developers engaging one another and sharing their discoveries with the community. There are some really great developers here that take a LOT of their own PERSONAL time to create the stunning softwares, hacks, themes, etc. that often ultimately get freely distributed to the public. Take note that 99% of these threads start off with "Use my software and instructions with NO expectation of support or warranty" or "Flash at your own risk".
These folks give so much to the community and often ask for little or nothing in return. While the information right now is pretty sparse and scattered, do you think you could have achieved what you did without it? The mere fact that you have a custom ROM, root and recovery is a testament to the hard work of the folks here who are giving their own time up in the name of furthering development. Our G2s, while stellar devices, are the outliers in the world right now because they are not in the hands of the masses. How many people have looked at you and asked "is that the new Galaxy??" I believe in time, someone with way more time and Android know-how than I, will deliver something mind-blowing to the XDA community for this device. Just be patient and realize that the majority of Smartphone users right now have a GNote, S4, or HTC something-or-another.
Finally, re-read your post and try to hear the tone you delivered. You sound upset that the XDA community hasn't delivered you an easy root/recovery package on a silver platter with all the trimmings. Again - this forum is for developers. What they choose to share with the rest of us as non-developers is totally up to them. They also tend to share more when the support they receive is positive. Long rants about your disappointment in the community over how you had a hard time getting what you wanted on your device - well you catch more flies with honey...
Cliffs notes? Hug a developer, and say thank you for what you've managed to accomplish with your device. Without the info posted around here, we'd all be living with stock ROMs and unrooted, bland G2s. If you are unhappy with your own personal experiences with getting to where you are right now... Well, you obviously know where the "new post" button is. Become a contributor, tell us how YOU did it and give back to the community. If you only rant about your disappointments, then you aren't really making anything better for anyone around here - in fact it only serves to clutter up an already fragmented knowledge base.
From one long winded poster to another - good luck in your ventures with the G2. It has served me well so far and I believe it will continue to do so for quite a while.
Regards.
Sent from my LG-D800 using Tapatalk
Click to expand...
Click to collapse
Nothing new to add to this but I've never had so much fun reading through a response that utterly fleeced another person for going full on ungrateful douche. Kudos sir. Lol
Sent from my LG-D800 using XDA Premium 4 mobile app
For me this was the easiest phone to root and flash recovery. Used ioroot for root and freegee to install custom recovery. That's when I was using jelly bean now I'm on stock kit Kat
Sent from my LG-D800 using xda app-developers app

Noob root now slightly bricked G Flex 2

Hi all. My new phone was going greatish. It was a little laggy, so thought I would root it and remove some of the preinstalled junk. All went fine no problem.
I removed some of the vodafone (UK) stuff, and all was well. Some time later though, I get a message:
"Unfortunately, the process com.android.phone has stopped"
And now my phone won't find the network and message pops up every couple of seconds. I tried a factory reset, but I suspect this made it worse as I have now lost my backups from Titanium app. The phone is basically unusable as it is due to constant error message and no network.
I have tried to access the recovery menu, but i get an empty robot with "no command".
I have seen some mention of CIDs on other forums but haven't got a clue how to go about fixing it or even where to start.
Any help would be greatly appreciated as obviously the phone is absolutely brand new, and I'm very very upset about the whole thing! Not to mention the fact that I feel like an idiot!
Anyway, thanks in advance.
You deleted something that was not suppose to be deleted. Don't the stock tot file on this forum and follow the steps to Flash back to factory
http://forum.xda-developers.com/g-flex2/general/guide-lg-g-flex-2-stock-firmware-to-t3037593 follow the video and you should be up in running in no time . make sure this link support your version not sure which g flex2 Version you have.
Still no tot files available for the LG G Flex 2 (any variant). Sorry got to wait for some to become available.
Thanks for the input. I figured it would be something like that. Any idea when the files might be available? I don't mind being a guinea pig at this stage. My phone is LG H955 on Vodafone UK.
I am going to try and play dumb in Vodafone shop today and see if they'll replace it there and then (doubtful).
I suppose my other alternative is to return it to LG for Firmware Flash. Anyone know if this is possible and potential cost?
Strangely, I'm not so bothered about (temporarily) destroying my brand new phone too much, it's my sudden lack of connectivity that hurts the most.
Thanks guys
Further update; I have spoken to LG tech support / repair department, and I told them the phone had been rooted etc. (I didn't leave any identifying details!) They informed me that as the phone was now out of warranty, I should speak to their service partner SBE.
After calling SBE, they informed me that LG or their partner have no obligation to fix rooted phones, so apparently they just won't do it, even though I'm certain they could, which kind of sucks, as I was obviously willing to pay.
So it looks like I'm waiting for the TOT files. I hope they come along soon!
Lesson well and truly learned!
djjag1 said:
Further update; I have spoken to LG tech support / repair department, and I told them the phone had been rooted etc. (I didn't leave any identifying details!) They informed me that as the phone was now out of warranty, I should speak to their service partner SBE.
After calling SBE, they informed me that LG or their partner have no obligation to fix rooted phones, so apparently they just won't do it, even though I'm certain they could, which kind of sucks, as I was obviously willing to pay.
So it looks like I'm waiting for the TOT files. I hope they come along soon!
Lesson well and truly learned!
Click to expand...
Click to collapse
Stay positive. Hopefully those tot files come soon. I on the other hand what to experiment with my phone but need a tot file just in case I mess anything up.
If it's just your dialer that's acting up, have you tried a third party dialer to make phone calls?
djjag1 said:
Further update; I have spoken to LG tech support / repair department, and I told them the phone had been rooted etc. (I didn't leave any identifying details!) They informed me that as the phone was now out of warranty, I should speak to their service partner SBE.
After calling SBE, they informed me that LG or their partner have no obligation to fix rooted phones, so apparently they just won't do it, even though I'm certain they could, which kind of sucks, as I was obviously willing to pay.
So it looks like I'm waiting for the TOT files. I hope they come along soon!
Lesson well and truly learned!
Click to expand...
Click to collapse
Lets see if we can work on this.
Is it working ok, just not picking up the network?
How long exactly have you had it?
If you put what you all deleted meaning what folders they were in i could make a copy of that folder or apps you deleted and upload them on dropbox for you that might help get you going worth a shot
Be better if someone had the same variant as you i have the Sprint model.
Thanks again for input. I have hopefully managed to sort this with my provider. I was just within the 14 day cancellation period, so I have arranged for a brand new handset. I know its a little bit naughty but if the phone wasnt so laggy to begin with, I would never have rooted it.
I'm guessing it makes no difference to them as the phone will go back to lg for wipe and reflash as a matter of course once returned.
Thanks folks, I will remain on this forum and hopefully not do anything quite so stupid again!
Unfortunately this is my last day with this device . Great phone but i was wrong the 810 processor is dangerously hot to the point it felt like my pockets were on fire. This my second g flex2 and I'm moving on to something more reliable. Love this phone but this heat issue i can't risk. After 14 days i would be stuck with this phone and i can't take the risk of hoping of getting a device that function fine bye everyone.
:victory::victory::victory:
Today, I've gotten myself in a similar pickle after applying noob root.. Data OK but no phonecalls and no txts. When I tried to make a call, the thing said the phone is not activated. Sprint tech supp was of course no help, so after some digging I found this: ##72786#
Factory reset, keep the data (and all apps).
That solved it.
I guess I'm old enough to know that being lazy doesn't pay.
Stank0 said:
Today, I've gotten myself in a similar pickle after applying noob root.. Data OK but no phonecalls and no txts. When I tried to make a call, the thing said the phone is not activated. Sprint tech supp was of course no help, so after some digging I found this: ##72786#
Factory reset, keep the data (and all apps).
That solved it.
I guess I'm old enough to know that being lazy doesn't pay.
Click to expand...
Click to collapse
so you had root, and while doing this factory reset you were able to go back to full stock unrooted rom? if so, were you able to install updates? i too have a sprint version and i was rooted and tried installing an update but failed, i then unrooted my phone tried the update again and still got an error. im just wondering if this method would actually help people who have the same problem as i do.
gothikzoul said:
so you had root, and while doing this factory reset you were able to go back to full stock unrooted rom? if so, were you able to install updates? i too have a sprint version and i was rooted and tried installing an update but failed, i then unrooted my phone tried the update again and still got an error. im just wondering if this method would actually help people who have the same problem as i do.
Click to expand...
Click to collapse
Unfortunately, that wasn't the case.
I tried every possible way to install this damn update. Rooted, unrooted, factory reset 4 times, tried to install from the system update in settings, from recovery (which is, at least for me, very tricky to get into) all efforts errored out.
I posted a link to the update.zip in other thread.
So then I gave up and used this noob root which killed voice calls and text.
This code I posted says it does a factory reset but is resetting something else than other factory resets because almost all my settings, passwords and all apps remained intact.. Then I used the original root method and everything works like it's supposed to.
I guess we'll have to wait until someone finally starts developing for our phone.
So after a few days I just received a notification for the update for the third time. Any suggestions as to how I should proceed? I've tried it while being rooted and failed, also tried it the second time after unrooting and failed too. Also, what is the default location where the update is downloaded to, so I can back it up.
So far nothing has worked. The update should be in the cache folder. There is also a link to download the update that someone posted in another thread here about the update.
FYI - I forced the update through recovery over root and bricked my phone. Like all the way bricked. I can get to recovery and download mode, but no fastboot even. Luckily I was within my 14 days and there is no way to tell it is rooted... because it doesn't even get that far, so I got a replacement. My sincere advice would be to wait to root until we have custom recovery and stock firmware available, and if you have root now, wait to update until a dev can release a "root safe" version.
I'm not an expert but I'm not new either. I got the original Evo on launch day and have done all kinds of dumb stuff to every phone since. This is the first time I haven't been able to recover it.
austontatious said:
FYI - I forced the update through recovery over root and bricked my phone. Like all the way bricked. I can get to recovery and download mode, but no fastboot even. Luckily I was within my 14 days and there is no way to tell it is rooted... because it doesn't even get that far, so I got a replacement. My sincere advice would be to wait to root until we have custom recovery and stock firmware available, and if you have root now, wait to update until a dev can release a "root safe" version.
I'm not an expert but I'm not new either. I got the original Evo on launch day and have done all kinds of dumb stuff to every phone since. This is the first time I haven't been able to recover it.
Click to expand...
Click to collapse
=( *hug. That sucks man, thankfully you were able to get it replaced. *pfew I dodged a bullet there. I was actually thinking about doing the same thing getting home from work. Yeah its best we don't mess with the phone any longer those that have root at the moment. Until custom recovery and stock rom is out like he says.
Wow. How did you manage to "force" the update through recovery? I tried it through recovery but it would error out. (Error 7)
I will tell you, as a cautionary tale.
The error when you flash from recovery references a specific file that is incompatible with the update. I used root explorer to investigate further and found that the root script had overwritten a system file. The original was saved as "original" so I deleted the file causing the error and renamed the original one. After that, the update went through and I thought I was golden... Only now nothing else works.

Desperately in need of quick help with my OnePlus One.

I haven't used my OnePlus One in several months since I got my Nexus 6. I've been meaning to sell my OPO, but got lazy about it. Now I can't be, and I need money for rent. A friend/co-worker who's in serious (in my opinion) need of a new phone wants to buy it off me.
My OPO was on LiquidSmooth 4.4.4 but obviously it's out of date, so I tried to update it. I tried once before to update it with a 5.1 ROM, but it kept failing. I remember there was something about the firmware or baseband version that needed to be flashed to go from KK to LP, but it was several months ago, and I can't remember what exactly it was. And for the life of me, I can't find it.
I tried to find what it was, and in my searching I found that CyanogemMod Official 13 had a built-in baseband updater. So that's what I tried. TWRP version was/is 2.8.7.0. Maybe that was the problem?
Anyway, CM13 (the most recent snapshot) installed, seemingly fine, but it won't recognize my SIM card. I try reinstalling it, and it still won't recognize the SIM. Moreover, it doesn't even detect a cell signal (it should, as all cell phones in the US are required to have 911 emergency access, even if you're not actually paying for phone service). And then it starts rebooting. Not a bootloop, because it boots. Then a few minutes later, it reboots. Continuously.
So I try a different ROM. The latest Resurrection Remix (I have it on my Galaxy S4 and it works fine). Same thing.
The even weirder thing is that I figure I should just restore my latest nandroid, but it's not there. In fact, nothing's there. Nothing visible through TWRP's file manager or backups. Not even old pictures, which I didn't delete. I didn't delete any storage (because I wanted my backup, just in case, duh). But TWRP still shows that there's 26GB available. So obviously, there's something there. I just can't see it. My fault for not saving the nandroid elsewhere, but Humpty Dumpy has already fallen.
I have Wugfresh's toolkit (yeah, yeah, I know...), and tried restoring it to stock, and it won't do it.
I've used ADK in the past, but it has been way to long for me to remember specifics, and it has apparently been updated with the newer Android versions. Obviously, I've looked at the sticky thread about restoring your OPO to stock, but it hasn't been updated in a while. So I'm worried about using those instructions. I've looked up youtube videos, and they're all too old as well. I'm also worried that I'd be using the wrong version of ADK. I'm not scared of using ADK, as long as the instructions are correct and clear. I'd be using Windows 8, if that matters.
So what I'm asking (begging) for is instructions on how to make this phone work properly again. Quickly. I've tried doing the research myself, and haven't found my solution. I'd keep at it, but time is getting short, and I can't afford that. Literally. I can't afford the hours spent (it's 1am and my the office closes at 4pm), and I can't afford being late on my rent. A couple weeks ago I spent way too much up in Phoenix to go see Guns N' Roses (at least I got a kickass T-shirt). Entirely my fault. Also my fault for not realizing how desperate my financial situation was about to be, and for waiting to ask for help until now. And I'm not going to ask to borrow money. I just can't.
Finally, and I know it's taboo to ask "what's the best ROM?", because I've answered that question myself with "there isn't one - try them out for yourself and find which one's best for you". But as I said, I'm out of time., and I haven't been keeping up with what's going on with OPO's development. My friend is not like us. His phone's a LG cheapo POS from years ago that's on 4.1JB. He uses it for calls, texts, and podcasts. He doesn't need root, or even custom recovery for that matter. In fact, I'd prefer if it didn't have root (although custom recovery might be nice, just in case). So if I can get this damn thing working properly again, what'd be a good ROM for my firend? OPO's official Oxygen? Are they still updating it? Stability is the primary concern, but if there's something that gets regular (and stable) updates, that'd be good too. With an updater that's built-in, simple, and wouldn't need and XDA forumite to do it for him. Because it'd be nice that he could get updates with Google's security patches. But since he's still using a 4.1 phone, he's obviously not all that concerned about that issue. But still, that'd be nice.
Thank you (fingers crossed).

A huge help here guys... soft or hard bricked?

First things first... bear with me because the story is long
A friend of mine was trying to update his Xoom 2 MZ608 to some custom rom from here (I really don't remember which one was).... but it seems he is a very anxious person and tried to flash a MZ602 into this MZ608 tablet... well, unnecessary to say he bricked the tablet...
Few days later, after he struggled at all efforts he could find, he totally gave up and sold this device to me.... I really thought it would be an easy job, as long I'm used to do these things.... but, turns out, it wasn't =D
what is happening?
the tablet got stuck on Motorola logo with Dual-Core written below of it...
- i cannot access RSD, for some weird reason
- when I try to go to Android Bootloader, i got a "battery low, cannot program" message ((even if the tablet spent 2 days plugged))
- for some reason, SOMETIMES i can access using fastboot, but, as long something is completely messed up inside, the tablet can't read the battery values property and turn off way before i can send any command to it....
what you guys advice me to do?? I took this tablet into a Motorola certified shop here and they said me they don't do this kind of job anymore.... all 3 shops said the same thing....
any help?? =)
Cheers =)
Are you selling it? I would be interested in buying at a fair price.
I am the one compiling the Xoom roms again for Wingray. (using Schischu's sources)

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