I have some questions. - Nexus 4 Q&A, Help & Troubleshooting

OK so I think I'm getting this phone soon and I have some questions that are new to me. I have a Samsung (LOL I know) but when flashing ROMs it says flash tom gaaps that's it. But for the N4 it says stuff about boot loaders and radios. Are radios the same as modems? And how do you flash a boot loader?
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Flashing a bootloader is the same as flashing a rom or gapps. So for the 4.3 update you would flash the rom, gapps, radio and bootloader in recovery

ZacksBuilds said:
OK so I think I'm getting this phone soon and I have some questions that are new to me. I have a Samsung (LOL I know) but when flashing ROMs it says flash tom gaaps that's it. But for the N4 it says stuff about boot loaders and radios. Are radios the same as modems? And how do you flash a boot loader?
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Click to expand...
Click to collapse
Radios are the same as modems. Handles cell reception, data, sensors and such. A bootloader is what starts the operating system. When a new bootloader and radio come out people will normally make a flashable zip, or you can use fastboot to install either. Installing ROMs is the same as what you mentioned, Flash ROM then gapps.
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OK awesome. Thanks guys seems like a awesome community here
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Related

4.2.2 lte Rom

Are there any 4.2.2 Roms that still have LTE support?? I'm not too good at flashing radios and what not..
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punpun214 said:
Are there any 4.2.2 Roms that still have LTE support?? I'm not too good at flashing radios and what not..
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Click to collapse
Well the ROMs won't flash a radio for you; that's what you need. Flash the 4.2.1 radio if you're after LTE, then you can run any ROM you want...
I'm sure you can find a flashable zip of the old radio if you don't want to do it via fastboot.
I'd consider rooting and fastbooting the old radio to be the quickest way. If you used one of the toolkits to root then just fastboot the radio to the device and problem solved.

Can't start any Custom Rom

IT seems that any custom Rom I load just sits at the startup animation on first boot. None will Load. I can revert back to Stock without a problem.
Any Idea's?
You need to provide more info. Which stock version are you using? what bootloader version you on? What roms have you tried, and what are they based on (4.1.x, 4.2.x) ? CWM, or twrp?
Sent from my Nexus 7 using xda premium
Started with 4.2.2, used the nexus 7 tool kit to perform root, install recovery, etc. Using twrd 2.4 fir recovery. Smooth rim was the latest. Tried 2 others but the names escape me right now. I have rooted and loaded custom rooms on my last 3 phones so I am not s complete noob but am not an expert either
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Jellybeer was one of them.
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Difference flashing 4.3

Hello! I updated my nexus 4 to 4.3 with the OTA, but why do so many people have trouble updating their N4 to 4.3 when they are running a custom rom?
U can easily flash 4.3 builds through CWM or TWRP. Or is there a difference between flashing through recovery and flashing through fastboot?
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Thibaultvw said:
Hello! I updated my nexus 4 to 4.3 with the OTA, but why do so many people have trouble updating their N4 to 4.3 when they are running a custom rom?
U can easily flash 4.3 builds through CWM or TWRP. Or is there a difference between flashing through recovery and flashing through fastboot?
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Click to collapse
Flashing through fastboot means doing it thru your PC with commands on the CMD and i think it uses different files ( I'm not so sure about that)
Luis_D1 said:
Flashing through fastboot means doing it thru your PC with commands on the CMD and i think it uses different files ( I'm not so sure about that)
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Yeah I know but why does everyone want to flash it through fastboot if you can easily flash through recovery?
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Thibaultvw said:
Yeah I know but why does everyone want to flash it through fastboot if you can easily flash through recovery?
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At least to me, i tried flashing thru custom recovery and it gave me an error every time so had to flash the image thru fastboot. Its (i think) the easiest way if you don't want to find youself having many problems.

Upgrading to 4.4 kit Kat

Hey guys quick question my n4 is rooted and running cm10.1.3. I never bothered to upgrade to 4.3, so my radio, kernel and bootloader are stock 4.2.2. Is it better to get the ota update and be up on things or flash stock kernel, boot loader and radio for 4.4 when ever there available? Or maybe factory image?
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Just flash the stock images for kit Kat when they are available, right now back up all your data
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sacramento458 said:
Hey guys quick question my n4 is rooted and running cm10.1.3. I never bothered to upgrade to 4.3, so my radio, kernel and bootloader are stock 4.2.2. Is it better to get the ota update and be up on things or flash stock kernel, boot loader and radio for 4.4 when ever there available? Or maybe factory image?
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my friend as this will pop up all over the forum the best thing to do is just wait for a rooted version to show up. I did not upgrade my bootloader and I have not had any issues with 4.3 which mind you is a great running OS you should try it.
I dont understand having root then unrooting to flash stock which you obviously dont like since you run cm and then wait to root it all over again to back an upgraded rooted version of cm...
aanonymoushuman said:
Just flash the stock images for kit Kat when they are available, right now back up all your data
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Click to collapse
Alright thanks will do
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Question on the way for the custom recovery+kernel guys on 4.3 what is the best to upgrade besides wiping your entire phone and flashing the stock images entirely?.
I think i know 2 ways just not sure they are recommended, 1st is flashing stock kernel + returning recovery to stock (should get OTA)
2nd is flashing only the system.img and the bootloader me thinks.
Feel free to verify this.
:good:
playya said:
my friend as this will pop up all over the forum the best thing to do is just wait for a rooted version to show up. I did not upgrade my bootloader and I have not had any issues with 4.3 which mind you is a great running OS you should try it.
I dont understand having root then unrooting to flash stock which you obviously dont like since you run cm and then wait to root it all over again to back an upgraded rooted version of cm...
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You make a lot of sense ,its more of curiosity and so I won't brick my nexus. So I can get away with not upgrading my bootloader for 4.4?
What about kernel, do I need to update that for 4.4 or is that judgement call?
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sacramento458 said:
You make a lot of sense ,its more of curiosity and so I won't brick my nexus. So I can get away with not upgrading my bootloader for 4.4?
What about kernel, do I need to update that for 4.4 or is that judgement call?
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Click to collapse
you are asking questions that trial and error are going to figure out for us. Kernels of course if you are on a 4.4 rom you would use a 4.4 kernel. Upgrading your bootloader may or may not be needed but we wont know until kitkat starts popping. everyone said you needed to upgrade bootloader for 4.3 but I have never had any issue at all.... Just wait it out and read read read
Tricepz said:
Question on the way for the custom recovery+kernel guys on 4.3 what is the best to upgrade besides wiping your entire phone and flashing the stock images entirely?.
I think i know 2 ways just not sure they are recommended, 1st is flashing stock kernel + returning recovery to stock (should get OTA)
2nd is flashing only the system.img and the bootloader me thinks.
Feel free to verify this.
:good:
Click to expand...
Click to collapse
Not to sure but as long as you're on stock ROM and stock kernel you should be fine although I don't know if custom recovery keeps you from getting update.
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playya said:
you are asking questions that trial and error are going to figure out for us. Kernels of course if you are on a 4.4 rom you would use a 4.4 kernel. Upgrading your bootloader may or may not be needed but we wont know until kitkat starts popping. everyone said you needed to upgrade bootloader for 4.3 but I have never had any issue at all.... Just wait it out and read read read
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Thanks for the clarification, appreciate the support.
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sacramento458 said:
Thanks for the clarification, appreciate the support.
Sent from my Nexus 4 using xda app-developers app
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no problem hopefully you can pass it on to others like you who may be unsure of what to do...
playya said:
no problem hopefully you can pass it on to others like you who may be unsure of what to do...
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Click to collapse
Absolutely bro
You do have to be on stock recovery, stock bootloader for the update to go thru properly otherwise it'll fail.
Tricepz said:
Question on the way for the custom recovery+kernel guys on 4.3 what is the best to upgrade besides wiping your entire phone and flashing the stock images entirely?.
I think i know 2 ways just not sure they are recommended, 1st is flashing stock kernel + returning recovery to stock (should get OTA)
2nd is flashing only the system.img and the bootloader me thinks.
Feel free to verify this.
:good:
Click to expand...
Click to collapse
If you are still on stock rom and you just have custom kernel+recovery, U could do the following for not using any current apps or files.
- Wait till your favorite Toolkit (e.g Wug) get updated for 4.4 and then download the official factory rom.
- Extract it and keep all separate zips, like radio, bootloader,system etc.
- Unroot and flash stock kernel
- Flash all previous zips, EXCEPT user.img which will delete everything
- Reroot and U r ready to flash again custom kernel
Maybe a noob question but my n4 is rooted. Will this cause any problems withe the update?
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RASTAVIPER said:
If you are still on stock rom and you just have custom kernel+recovery, U could do the following for not using any current apps or files.
- Wait till your favorite Toolkit (e.g Wug) get updated for 4.4 and then download the official factory rom.
- Extract it and keep all separate zips, like radio, bootloader,system etc.
- Unroot and flash stock kernel
- Flash all previous zips, EXCEPT user.img which will delete everything
- Reroot and U r ready to flash again custom kernel
Click to expand...
Click to collapse
The original stock kernel of 4.3 is on the bootloader.img on the google source code aye?
Thanks, now we just need to wait for the official 4.4 on google's developers.
Tricepz said:
The original stock kernel of 4.3 is on the bootloader.img on the google source code aye?
Thanks, now we just need to wait for the official 4.4 on google's developers.
Click to expand...
Click to collapse
Here a direct link for stock kernel 0.84 from JWR66V factory image
http://d-h.st/cIJ
Hello,
My phone has already had the radio upgraded to latest so it can run 4.3. I am rooted, have TWRP 2.6.3.0, will I be ok to flash the PA 4.4 and gapps? I keep posts about folks losing their sdcard data and their custom recovery being removed (not sure how!).
Thanks.
Schur1k said:
Maybe a noob question but my n4 is rooted. Will this cause any problems withe the update?
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Click to expand...
Click to collapse
Do you have a custom recover?
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Schur1k said:
Maybe a noob question but my n4 is rooted. Will this cause any problems withe the update?
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Click to expand...
Click to collapse
Do you have a custom recovery?
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maritimesbob said:
Hello,
My phone has already had the radio upgraded to latest so it can run 4.3. I am rooted, have TWRP 2.6.3.0, will I be ok to flash the PA 4.4 and gapps? I keep posts about folks losing their sdcard data and their custom recovery being removed (not sure how!).
Thanks.
Click to expand...
Click to collapse
I'm sure that radio doesn't affect your ability to flash certain ROMs so you shouldn't have a problem flashing 4.4. As far as losing SD data not sure how that's happening.
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Failed rom flashing result to stock on boot

Good to everyone!
My unit is gt-i9505... I flash bootloader and modem without any problem, then i am flashing the WanamLite roms, and it failed i dont know why... So i am trying to reboot my cp but it stock...
Please help me on my problem... tia
If you had flashed the bootloader and modem with Odin, then flash the recovery TWRP.
Boot into the recovery, fully wipe and then flash from the recovery Wanamlite.
Did the same procedure today and it works fine. Make sure your download is not corrupted.
I flash TWRP before i flash the bootloader and modem...
I boot it in recovery mode and wipe all and when i rebooting it says "you have no OS installed"
Im sure that my downloaded roms is not corrupted..
After wiping, you have to install the rom. You sure you did that?
That's what i did, bro, but still i got the failed error message when flashing the roms....
So just to summarize, you flashed these things:
You flashed this recovery:
http://fs1.d-h.st/download/00105/NcQ/TWRP_2.7.0.1_GT-I9505(jfltexx).zip
And then you flashed the rom from this page with the recovery:
http://wanamlite.com/2014/04/03/wanamlite-xxufnc5-v2-6-android-kitkat-4-4-2-xposed/
Try flashing the recovery again from the link I gave you. Then try to flash the rom again.
thank you so much for your response, bro...
for now, i reflash my unit to stock rom kitkat 4.4.2...
i'll keep this thread as my reference coz i really want to try that wanamlite roms....
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@Lennyz1988, is the modem that i flash before i flash this roms is compatible to stock roms kitkat 4.4.2? and the bootloader too?
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zignuz said:
@Lennyz1988, is the modem that i flash before i flash this roms is compatible to stock roms kitkat 4.4.2? and the bootloader too?
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Click to expand...
Click to collapse
The rom should boot even with the incorrect bootloader and modem. Here are the correct bootloader and modem though.
Use this bootloader:
http://goo.gl/5Sjj3L
And this modem:
http://goo.gl/CMl8N6
That are the ones Wanam tells you to flash in his page.
http://wanamlite.com/2014/04/03/wanamlite-xxufnc5-v2-6-android-kitkat-4-4-2-xposed/
I try it again and i still got the message with failed... I guess i need to download again the roms...
For the third time, i got it right...
I redownload the roms...
Thanks bro!
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