OK people, it took a good bit of time to do this and the help of a few devs to figure this out (not to mention it took me about a month) to get this working right! I'm still in the testing stage to make sure all is stable and so far so good...
Disclaimer : I am not responsible for what you do to your phone! If you brick it doing this, you must not have followed these steps right! Please know this will void your warranty!
So here it is!
The first thing you need to do is the obvious, root your device! I used iroot to root the AS990! I will post the link to it once I find it but a quick Google search should do you some good here.
Next thing I did was the crazy part! I used this link and followed its instructions to the letter and be sure to backup you apn-config.XML and use the change apn app from the play store and write down all the info for your apns (this is a must to get data, including lte and mms!)...don't skip anything this guide says...you will turn your AS990 into an LS990 following this link...
https://m.reddit.com/r/LGG3/comments...s990_to_ls990/
After you do this you will not have service while on stock sprint rom, but don't fear, Tator is here!
Now that you are on stock sprint with your AS990, you again, need root...use whatever rooting method you want for sprint...I uses the one click root for lg g3. Now that you have root use flashify to download and flash twrp for the LS990. After you have twrp working, you will want to pull the modem.bin from the AS990 tot using the tot extractor. After you pull this file from the tot, you will rename it to modem.img.
I used the windows cmd prompt and did the "ren modem.bin modem.img" (without quotes) to rename the file. Then move the modem.img tobyour internal sdcard of the phone. The using terminal emulator, I did the following
su
dd if=/sdcard/modem.img of=/dev/block/platform/msm__sdcc.1/by-name/modem
That will flash your stock AS990 modem back on the phone (which is needed so everything works right).
After you have done all this bs, you are free to flash any aosp LS990 rom you would like to run! (I have only tested aosp because its all I run on my phone) just be sure to move your apn-config.xml to /system/etc and then enter your apn info you had written down (you may have to use change apn from the play store to do this depending on what rom you have flashed) and you should be good to go!
I will edit this and organize it more later because I'm pressed for time right now! I will also give credit to those who helped me through this process! Any questions, please post here and I will do my best to help anyone who needs it...I know this is poorly written for now but again, I'm pressed for time! If there is anything you don't understand about this how to, please be patient with me as I make revisions throughout the day!
Disclaimer : I am not responsible for what you do to your phone! If you brick it doing this, you must not have followed these steps right! Please know this will void your warranty!
So here it is!
The first thing you need to do is the obvious, root your device! I used iroot to root the AS990! I will post the link to it once I find it but a quick Google search should do you some good here.
Next thing I did was the crazy part! I used this link and followed its instructions to the letter and be sure to backup you apn-config.XML and use the change apn app from the play store and write down all the info for your apns (this is a must to get data, including lte and mms!)...don't skip anything this guide says...you will turn your AS990 into an LS990 following this link...
https://m.reddit.com/r/LGG3/comments...s990_to_ls990/
After you do this you will not have service while on stock sprint rom, but don't fear, Tator is here!
Now that you are on stock sprint with your AS990, you again, need root...use whatever rooting method you want for sprint...I uses the one click root for lg g3. Now that you have root use flashify to download and flash twrp for the LS990. After you have twrp working, you will want to pull the modem.bin from the AS990 tot using the tot extractor. After you pull this file from the tot, you will rename it to modem.img.
I used the windows cmd prompt and did the "ren modem.bin modem.img" (without quotes) to rename the file. Then move the modem.img tobyour internal sdcard of the phone. The using terminal emulator, I did the following
su
dd if=/sdcard/modem.img of=/dev/block/platform/msm__sdcc.1/by-name/modem
That will flash your stock AS990 modem back on the phone (which is needed so everything works right).
After you have done all this bs, you are free to flash any aosp LS990 rom you would like to run! (I have only tested aosp because its all I run on my phone) just be sure to move your apn-config.xml to /system/etc and then enter your apn info you had written down (you may have to use change apn from the play store to do this depending on what rom you have flashed) and you should be good to go!
I will edit this and organize it more later because I'm pressed for time right now! I will also give credit to those who helped me through this process! Any questions, please post here and I will do my best to help anyone who needs it...I know this is poorly written for now but again, I'm pressed for time! If there is anything you don't understand about this how to, please be patient with me as I make revisions throughout the day!
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