[q] t-mobile - stock - pre-rooted lollipop rom ?? - Xperia Z3 Q&A, Help & Troubleshooting

Hi, I'm new to the Sony Z3, and I have a stock 4.4.4 rooted phone, and bootloader is still locked. I don't mind the BL being locked as stock is fine with me, and I like Wi-Fi calling..... Previously had an LG G2 and Sammy S4....
What I can't seem to find is a flashable zip that will flash a pre-rooted Lollipop stock ROM. If someone can direct me to it I would appreciate it greatly.
Also, by flashing a pre-rooted ROM on Sonys, does it also contain/flash a newer version of baseband/modem? I read that the Lollipop update allows the Z3 to have access to T-Mobile's new 700mhz band, etc....
With Samsungs I could flash a new baseband separately, but I haven't seen a discussion likewise with the Z3. The 700mhz access is a great thing, and if I could have even my 4.4.4 enable 700Mhz access, I would be happy with that too.
Many thanks.

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Confused about updating to a GPE

I'm running stock RUU on Verizon's latest 1.55.605.2. All radios, etc are current. I'm rooted with s-off. Now my question is am I able to flash a rom like a GPE that is based off the 4.4.4 update even though it hasn't been rolled out yet to Verizon. I am very confused because I see some roms based on that update despite the Ota not being available. I've tried flashing a couple of roms that are 4.4.4 based but was unable to. Why can't I run a 4.4.4 rom even though I am s-off? And how are developers basing their roms off of it when it hasn't been released to Verizon. I am just completely lost.
I think you're confusing Sense with Android (GPE). Sense is currently at 4.4.2 and about to be 4.4.3 later this week. (HTC is going to skip 4.4.4 because the updates to 4.4.4 are rolled into Sense's 4.4.3.)
You are able to flash GPE based on 4.4.4 or 4.4.3 because the Android version is unrelated to the baseband version. Don't hold me to that though. With Samsung (what I had before this) baseband enforced a minimum Android API level (OS version) but not a maximum. For example, when I flashed MJA, I had to use 4.3 and later. Could not go back to 4.2 or prior. But never mind that, that's Samsung talk. But I assume it's the same. Samsung uses alphanumeric, HTC uses what looks like IP addresses but aren't. 1.55.605.2 is indeed the latest for the VZW One M8.
I don't know why you were unable to flash 4.4.4 ROMs. Sometimes an older version of your recovery (e.g. TWRP) can make it impossible to flash recent ROMs. Check and make sure your recovery is current.
You can definitely flash either of our GPEs, but be warned they are not ready for prime time just yet. The current issue is that signal will drop irregularly in both of them. But we have some smart people working on figuring that out. GPE is typically only available for GSM phones (e.g. AT&T, T-Mobile, International unlocked) and making it work with CDMA (i.e. Verizon) is a nontrivial task. But they're trying. And for some, the issues are forgivable. For me... I'm patiently watching and waiting.
Lastly, you won't get the OTA because you're S-Off and/or because you're rooted and/or because you have a custom recovery. You'll never officially have Sense based on 4.4.4 because HTC's not doing it. Next week or by the weekend, we'll probably start seeing Sense ROMs based on 4.4.3 since that's what's coming.
You're able to flash GPE simply because you're s-off. Once you have s-off, you can flash anything you desire. No guarantees it's going to work though. If the rom isn't ported for Verizon, it's not going to work. You have to do a little homework before you flash a given rom. Read through the thread. If nothing else, search the rom thread for Verizon. More than likely somebody has asked if it will work on Verizon and if so, you'll find your answer.
As to flashing back to an earlier version, once again, you're s-off. You should be able to flash anything you want. I'm somewhat new to HTC also but from what I've read, I don't think you'd have any problem going back. I know with Moto phones it wasn't possible but that was because the bootloader wasn't unlocked and the newer version came with a new bootloader. Since it was locked and the new bootloader had a different signature than the old, you couldn't go back. You're unlocked on here though and it should take anything you throw at it. Old bootloader should be no problem. Should be able to go back. Somebody can correct me if I'm wrong but from what I've read, that's how I see it.
There are two gpe ROMs in the Verizon Android development thread which have been specifically ported and catered to the Verizon devices. Both sjould suffice. Under NO circumstance would I recommend that you flash a GPE ROM from the unbranded HTC development. Same goes for GPE/SENSE kernels.

Upgrade with locked bootloader or install custom ROM?

Hi! I've decided that I'm going to upgrade my rooted Z3 (D6603) to Lollipop. I currently have a locked bootloader and I'm running Android 4.4.4 (23.0.A.2.93) which I rooted using Giefroot.
Now if I follow this tutorial, I can upgrade without unlocking. However, I'd prefer Stock Xperia at 5.1.1 (since its built for my specific hardware) over Generic. The problem is, there's no US T-Mobile 5.1.1 build for the D6603. The closest two builds are 5.1.1 Generic and 5.0.2 T-Mobile UK. I'm torn between these two options, as I can't seem to find any good list of pros/cons concerning Xperia vs. Generic and 5.0 vs. 5.1.
However, there is a third option I am considering. If I were to unlock my bootloader I could run CM12, which would be much better than both Stock Xperia and Generic IMO. The only issue with that is that I'm confused as to what I would end up loosing. I've backed up my DRM keys, but I don't know what good any of that is going to do for me. I've also seen that I may be able to restore functionality using this, but I'm worried I'd screw everything up, since I fully grasp what I'm doing. I also don't know if I could turn back and re-lock if anything were to go wrong.
So my question is: Which firmware do I flash? And what will I end up having to lose? My three options are as follows:
CyanogenMod 12 (After Unlocking the Bootloader)
Generic, Unbranded Android 5.1.1
Branded (T-Mobile UK) Android 5.0.2
There are NO differences between branded and un-branded Sony stock software. you can flash the "generic" variant (please be sure to match you phone model... d6603 and so on)
you can also update you phone with a flashable zip made of:
a stock sony FTF
Xzdr recovery
Supersu package
To do this you need: PRF creator ; Xperifirm (to download FTF's) ; Flashtool (to make FTF's) ; Xzdr Recovery Flashable package ; Supersu Package.
My experience with CM12 is terrible because you won't get any benefit over stock software, because stock is the most optimized / featured Rom for Z3. with CM12 be prepared to forget the "power on and play"
the "this" mod is a package to restore the features (the magic behind the DRM keys of stock roms only when you have lost your DRM keys. this mod cannot be used on non-Sony based software. DRM keys are lost forever if you do not backup them before bootloader unlock.
Just to verify before I go on with this: I won't need a unlocked bootloader, correct? All the links for Xzdr Recovery I can find state that they will brick a locked bootloader.

how to combine generic firmware and Japanese drivers?

Not sure if this is the right place to ask this, if not just move it. TY
I have an Xperia Z3 SO-01G from Japan.
I updated it with the latest firmware from xperifirm, however, the lollipop version is only 5.02 and they don't have 5.1.1 from Docomo
When I use the generic firmware NFC doesn't work.
My question is, is it possible to use the generic firmware and just extract the NFC drivers from the docomo firmware?
I want to use the generic firmware with the latest version of lollipop with no issues regarding the drivers.
I will highly appreciate if someone could help.
Thanks a lot
Id also love to hear if this is possible. Same phone and same issue
First, to clarify, there is no 100% working method to port NFC firmware from Japanese variants to Global firmware. Sony Japan uses different method to encrypt the drivers of all Japanese model, and it can be only used by using the required firmware.
Secondly, if you want to use NFC badly, STAY WITH STOCK. There is NO USE updating the software to 5.1.1 since the stock software from those network providers is fully compatible with the devices.
If you just want to use NFC for devices to devices connection, you can port the whole NFC packages and firmware from the stock rom and flash it to the Global one (I don't have SO-01G but the SOL26 from KDDI AU, and the package is call NFC Osafu/Keitai).
And if you are not using NFC really much, you can just disable the package from root.
Note: I used to obsessed with new OSes and try to do as much as I can to port every apks from Japanese firmware to Global, but after then I realized: Tons of bugs shown in catlogs, unstable system, apps crashed a lot, overheating even when not using (with NFC-Wifi-Bluetooth disabled too, no background apps), etc...
Now I'm sticking with the stock from providers and happy with it.
Thanks N0K0m3
I'm not so much obsessed with having the latest latest software as I am about root. I'd go back to 5.0.2 (or whatever the current global) firmware if NFC still worked. I don't suppose I could flash the previous kernel on top of this ROM and everything would be honky dory.
Any more advice you have is welcomed. I'm sure I'm not the only person curious.
Thanks again
this is my work long time ago for firmware (23.1.A.62), can not guarantee 100% working with NFC driver, because I don't have condition to test.
If you like, you can flash it as flashing prerooted zip.
https://drive.google.com/open?id=0B0EOZK8Eg5HBYjdGVVlsclNadm8
if wifi get problem, after flashing rom, flash this fix
https://drive.google.com/open?id=0B0EOZK8Eg5HBYjdGVVlsclNadm8

To experts, how can I Update after root?

Hi xda developers, I'm a new z3 user (D6633) running lollipop 5.1.1 , and I want to root my z3 to use titanium Backup,
1) I'm afraid that if I root my z3, I won't be able to update to marshmallow when it arrives, I also read somewhere that I still can update but will lose drm (I don't know what that is )
2) is there a way to unroot, to install the official update ?
Please explain in details and provide links if you could, cus I'm totally new on Sony
Any advice is appreciated
Im sure there will be a pre-rooted stock ROM for dl as soon after M. hits. Depends if one need to flash other things as well like firmware etc. but these things are included in the same FTF. I have gone through a few Android versions and things usually works out fine in a short matter of time.
If you absolutely want to go full stock, just flash a stock FTF from http://forum.xda-developers.com/z3/general/ftf-stock-firmwares-xperia-z3-models-t2886061
Using Flashtool.

Samsung Note Pro 12.2 p907A - Can I overwrite the AT&T firmware?

Hi I just received the AT&T version of this tablet but I live in the UK so would like to remove the AT&T branding and software stuff and replace it with a more stock experience. And also Lollipop if possible. Is this possible? And will it affect the ability to use LTE?
I should also clarify that although AT&T has apparently rolled out Lolipop on this device, for some reason when I search for an update it tells me that my latest (4.4) is the most recent version. But regardless, I would still like to overwrite it with non-branded firmware if possible.
You can root it if it is still on android 4.4 but so far the bootloader has not been unlocked on the carrier models so you could not install a custom rom.
with root access you can remove the AT&T extras but you would still have a rooted stock touchwiz rom.

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