Develop Bugs

4g Data wont connect after PRL update

I'm relatively new to andriod OS, but have been able to root my EVO without a hitch. I updated my radio (and firmware) to lastest builds(after the PRL update), but I'm unable to pull a connection using 4g. I'm able to use 3g like normal, but upon connecting to 4g, I cannot use any data unless it drops back to 3g. Any suggestions/

bmark34 said:
I'm relatively new to andriod OS, but have been able to root my EVO without a hitch. I updated my radio (and firmware) to lastest builds(after the PRL update), but I'm unable to pull a connection using 4g. I'm able to use 3g like normal, but upon connecting to 4g, I cannot use any data unless it drops back to 3g. Any suggestions/
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Which rom are you on? When you dial *2 do you get to Sprint or some other carrier? I think this screwed up my 4g as well. Flash the RUU go back to stock and start over. Then don't upgrade your PRL at all until someone starts posting them with a way to upgrade manually

Unable to change prl on froyo.

Hi. I just got an evo from someone and unfortunately they had upgraded the system to 2.2 froyo ota. so right now the phone is stuck on digital roaming and there is no way for me to update the prl. I already tried with cdma workshop ver 3.5.5 paid, Qpst 2.7 build 355. on cdma workshop it says the new prl has been writen but the phone stays on roaming so is not writing the prl to the phone. on qpst it's giving me roaming list receive failed and it's failing to retrieve the phone's information. I also tried to update the prl from the phone settings but that's also failing. if anyone has any ideas please feel free to post them so I can try them thanks.

I was able to downgrade to 2.1 and root the phone using the new method but unfortunately my prl still says version 00000 and I'm still roaming anyone else has had this problem with the prl showing zero's and unable to change it.

Ok. Guys here is what i have tried so far. Cdma workshop. Qdxm qpst unicdma and ##775# to try to update the prl and all of there programs say the prl was successfully updated but once i check the prl version is 00000. Now i have 2 phones with the same issue, one working on sprint and the other on boost mobile i get all my phones from craigslist .. One of the phones became stuck on roaming after trying to repair meid with cdma workshop.. I have tried with several different prls. Tried to copy all the nv items from another evo that is not roaming but nothing helps i know the nam config is good because i compared with the evo that is working.. Everything on the phones work i'm able to make calls, mms,web browsing the only thing is that 3g is extremely slow and that i have the triangle on top of the signal bars..and on boost mobile once i drive a couple of blocks from my house and try to make a call it says verizon wireless your feature update was sucessfull and i'm not able to call until i return home. I'm sure the prl on these phones got corrupted somehow.. How can i repair a corrupted prl..i have done a least 10 android phones incredible, samsung moment,htc evo for family and friends and this is the first time i have ran into this issue.. If anyone knows ho to get rid of this corrupted prl please help me.. Also i have access to a couple of good evos and cdma workshop 3.6 i would like to try and copy the flash from the good working evo and put it on one of these with the corrupted prl but i have not been successful trying..thanks guys for all your help..

I'm assuming you have done the easy way already... ##786# for a factory reset, then battery out while the phone is at the white evo screen the SECOND time... leave the battery out for 15-30 minutes... battery in and power it on to boot. Should reactivate, update PRI if it needs it, and also update PRL. It is a factory wipe, but in your case, that should be no problem.

No 3G or 4G - 1x only - No Nandroid Backup HELP!

So my friend rooted his Evo with Unrevoked. I verified s-off.
He copied a PC36IMG onto his SD which turns out was some 2.1 rooted stock ROM. After doing that his phone could not make/receive calls/text or connect to 1x/3G/4G. Basically an expensive phone that has no phone functions. Everything else works (WiFi included). He flashed http://link.geekfor.me/rootedromzip onto his phone from http://forum.androidcentral.com/htc...vo-install-clockwork-recovery.html#post165998.
When I looked at it, he still did not have a custom recovery so I flashed Amon RA PC36IMG. Full factory wiped data/cache/dvalik. Flashed Synergy RC1. Phone still could not make/receive calls and was getting Error 16 when trying to call. Called Sprint and they reprovisioned phone and fixed calls and texting. Noticed his phone is stuck on 1x and cannot connect to 3G when my phone next to his works fine. Did not test 4G yet since I have poor 4G coverage in my area. Cannot update his profile - just sits there like something is happening but it never completes.
What are his options here? Is it a bad radio or something that we can fix? Can we flash a stock rooted ROM and regain 3G? Remember, no nandroid was made unfortunately.

I would try flashing the latest radios just to be sure. And tell your friend to always make a nandroid backup to avoid this problem in the future.

Well his first time flashing. I think he mistakenly thought the PC36IMG as a custom recovery but it was actually an entire ROM.
Didn't have a chance to nandroid. I'm instructing him how to update newest radio combo and seeing what happens.
Update: Flashed latest combo radio. Updated profile and PRL. Still stuck on 1x even after reboot. Is he hosed? Does Sprint have to do something on their end to fix his EVDO? 4G isn't working either by the way.
Update 2: Wimax Keys Checker - https://market.android.com/details?id=com.joeykrim.wimaxkeys says that RSA Key is present. Relieved that he didn't lose his RSA key. Just can't figure for the life of me why he can't connect to 3G or 4G. Not sure where to go from here? Maybe trying to flashing latest stock rooted RUU? http://forum.xda-developers.com/showthread.php?t=1110733

Bumping for some attention.

Hey, happened to me a couple of times, it will come back. Maybe wipe everything again, have you tried ##data# and entering msl key, wait... Have you updated his data profile in settings
Sent from my PC36100 using XDA Premium App

Hello.....did that work for ya?
Sent from my PC36100 using XDA Premium App

Ok, was on the road when I had wife reply...lol.. When you rebooted the phone,did you wipe cache,and dalvik. Then try updating profile? It sounds weird,but has worked for me,without even updating profile. I have had no coverage before after flashing a Rom,also,did just that,and it came back. If rsa keys are present,that is good. If you would be kind enough to reply,whether fixed or not,would appreciate it,anyway,gonna move on...
Sent from my PC36100 using XDA Premium App

Cares said:
So my friend rooted his Evo with Unrevoked. I verified s-off.
What are his options here? Is it a bad radio or something that we can fix? Can we flash a stock rooted ROM and regain 3G? Remember, no nandroid was made unfortunately.
Click to expand...
Click to collapse
Did he try updating his profile & prl
Sent from my criffvo

Updating profile and PRL doesn't work. It keeps attempting to update but it is never successful.
I haven't had a chance to get his phone to just try reflashing a new ROM or stock ROM to see what will happen though.
He says using ##data# and entering his MSL code and changing EVDO to automatic doesn't work either.

Cares said:
Updating profile and PRL doesn't work. It keeps attempting to update but it is never successful.
I haven't had a chance to get his phone to just try reflashing a new ROM or stock ROM to see what will happen though.
He says using ##data# and entering his MSL code and changing EVDO to automatic doesn't work either.
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Click to collapse
I would start over again ... wipe completely with Calkulin's "fomat all" zip and flash a rooted stock rom like xhausx. Once the phone boots up, call Sprint and have them walk you through provisioning everything. Once all is well, then move into whatever custom stuff he wants.

wmdunn said:
I would start over again ... wipe completely with Calkulin's "fomat all" zip and flash a rooted stock rom like xhausx. Once the phone boots up, call Sprint and have them walk you through provisioning everything. Once all is well, then move into whatever custom stuff he wants.
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You took the words from my mouth!
Is he Flashing the RUU's or just running them through the computer? Normally, you sync your phone or through hBoot and then start the program, try flashing stock Froyo and then factory reset once flashed, it helps clear out traces of old roms etc. If you need anymore help feel free to ask, I would be more than happy!

I don't think it worked.
Calkulin's Format, flashed Odexed http://forum.xda-developers.com/showthread.php?t=1133379.
It showed 3G but I think it was misleading. Wiped and flashed to evodeck and it went back to showing 1x. My phone has 3G showing on evodeck next to his so he definitely has 3G coverage.
I guess it's just time to call Sprint for a re-provision? Does it have to be on a Sense ROM for them to reprovision?

Cares said:
I don't think it worked.
Calkulin's Format, flashed Odexed http://forum.xda-developers.com/showthread.php?t=1133379.
It showed 3G but I think it was misleading. Wiped and flashed to evodeck and it went back to showing 1x. My phone has 3G showing on evodeck next to his so he definitely has 3G coverage.
I guess it's just time to call Sprint for a re-provision? Does it have to be on a Sense ROM for them to reprovision?
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Click to collapse
you dont need Sprint to provision, just get your MSL code and do it your self plus I would do a search for people who may of had similar issues and see what they did. Now if that does not work then why dont you check what your network settings are.. See if its set to CDMA(Auto) I remember my Touch Pro I could of set it to 1x maybe something is getting stuck. I think its in ##3282 you check it and I also remember an app on the market called network that did it for you as well.
If that does not work then flash 3.70 radios and then a 3.70RUU and start from scratch.

He already tried ##data#. He can change his EVDO to automatic but it doesn't stay that way.

Alright I don't know how I fixed it but it's fixed.
Just cannot get 4G now. Wimax keys are present. It keeps scanning and cannot get connect. Previously could get 4G at these locations.

I am running EVO as donor/target phone, my is only 1x speed, no matter which rom I try
Synergery, Mik, Stock-Rooted, differ kernal, different PRL, check the data profile Automatic, Try restore but can not cat automatically update, still need to go qpst to update my profile. I have been working on this for two weeks. I went back to my orig phone, it show ev most of time, the speed is must faster than my evo. Searc all over from goole, still no luck, Anyone any idea to try

sitlet said:
I would try flashing the latest radios just to be sure. And tell your friend to always make a nandroid backup to avoid this problem in the future.
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Click to collapse
+1
i know this post is somewhat old. but Making a back up wont take hardly and extra time! always always make one unless you have 100% reliable roms already backed up.

Should our Evo's automatically update the PRL?

Today I was just doing the normal stuff I always do then out of no where my phone just went to the PRL update tool and starting doing it without my permission. Any idea why this would have happened? I was using wifi connection for the internet. I have all the latest radios. I'm pretty sure I already had the PRL update as well.

runcool said:
Today I was just doing the normal stuff I always do then out of no where my phone just went to the PRL update tool and starting doing it without my permission. Any idea why this would have happened? I was using wifi connection for the internet. I have all the latest radios. I'm pretty sure I already had the PRL update as well.
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Click to collapse
Yes, Sprint sends PRL updates to our devices, periodically, but I've never experienced where my EVO initiated the update.
Posting & replying from my EVO 4G

I guess mine did the same thing. The last time that i checked my prl was 01115. Now it's 60680. WTF?

Yes, Sprint does send update PRL because it has happened to me. I dont update PRL because of the bad 3g speed I get from sprint. If it updates and you want to go back to your desired PRL, there are some threads that gave PRL zips you can download and change them back. If yoy need a link let ne know, I'll try to send it when I can get on a comp.
Sent from my PC36100 using Tapatalk

Don't worry, your phone doesn't have a mind of its own. If you're using a Sense ROM then the update could happen systematically. Ona CM ROM or AOSP ROM you probably won't see it. The PRL.zip files can be found on a thread in this Dev Forum titled "7-4 new radios" something or other. Download and flash via recovery, no need to wipe

[Q] How to change PRL

Has anyone found a way to flash / change the PRL on the Note 4?

I found a way to flash a PRL. I was able to successfully load older prl that are withing the same series. I used DFS CDMA TOOL v. 14.10.21.0.
1. Turn off wifi and data on the phone.
2. press ##3424# on phone.
3. Qualcomm usb setting
4. Select RMNET+DM+MODEM.
5. ON DFS Click on port on and select the port your phone is displayed.
6. Enter your MSL right below.
7. Once you enter the MSL click the SPC icon.
8. Next click on NAM.
9. On the bottom right hand corner click Load and select the PRL you want and click WRITE.
10. Return to ##3424#, Qualcomm usb setting, select MTP and Restart.
11. Enable your wifi and data.

I was unable to load any 56*** series PRL.
I was able to flash 56022 with the steps on post #2. Below is the link to all PRL.
http://forum.xda-developers.com/showthread.php?t=1880781

Thanks for the info. I was able to flash the 503 PRL from S4GRU, but, the one I would prefer, 513, won't take. I may have to try again when the kids are in bed tonight. I think it's based on a 56xxx series PRL, so it might just flat out not work.

I'm glad to see that at least you were able to flash an older one. I tried various ones from the 56*** series and no luck. Hopefully you or someone else gets the ball from here. Im glad i was able to go back to an older prl. Now my phone is not switching towers every 2 secs.

Thanks! Unfortunately I had the same issue with 56xxx prls too...none of them would flash ..and that's the best one too!!

I goofed around with this a little this morning and had no luck with any Corporate PRLs. Just says process destroyed every time I hit write.

M4ver1ck said:
I goofed around with this a little this morning and had no luck with any Corporate PRLs. Just says process destroyed every time I hit write.
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Click to collapse
Same here from day one.

Will PRL change allow simo voice/data calls?
on my old phones i was able to do both phone call and data...
primarily when driving using google maps and getting an incoming call./text. now with spark i cant do this .
will updating a pRL... lets say to a tmobile tower allow me to do that again?
also back with i had an s4 and put a CM11 rom on it. that room gave me the option to make all calls VoIP.... anyway way to add that single option to a rom??

dademon02 said:
on my old phones i was able to do both phone call and data...
primarily when driving using google maps and getting an incoming call./text. now with spark i cant do this .
will updating a pRL... lets say to a tmobile tower allow me to do that again?
also back with i had an s4 and put a CM11 rom on it. that room gave me the option to make all calls VoIP.... anyway way to add that single option to a rom??
Click to expand...
Click to collapse
No...

55022
Update your PRLs.
55022 is out. Im stock with DM not frozen, obtained via the Update PRL .

I was able to flash 56022 with the steps on post #2. Below is the link to all PRL.
http://forum.xda-developers.com/showthread.php?t=1880781

I have a much simpler option and can confirm this works just fine.
If you are rooted but do not have a custom recovery you can download the zip file in this link and extract HiddenMenu.apk located in the file under /system/app and manually push it into the /system/app folder on your phone. Then change the permissions to 0755
http://forum.xda-developers.com/showthread.php?p=54201284
(The file says deodexed but I'm running stock odexed rom and it worked just fine, also remember to back up original HiddenMenu.apk)
After that follow these steps
1. Extract TEST.prl from the PRL Zip that you want to flash
2. Place TEST.prl in the root of the /sdcard folder
(DO NOT put it in /mnt/extSdCard)
3. Turn off WIFI and Mobile Data on the phone
4. Dial ##DATA# (##3282#) and select "View"
5. Select PRL WRITE then hit the button labeled "PRL WRITE" (your device will reboot at this point)
6. Once your device turns back on, turn WIFI and Mobile Data back on.
7. Goto Settings -> About device -> Status and confirm "PRL version" matches the version you wished to flash
Hope this helps! please thank me if so:thumbup:

Was able to get 56022 as well. Can anybody recommend a paticular prl for best lte connectivity?

LTE is not affected by the PRL.

pilotmills said:
LTE is not affected by the PRL.
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Click to collapse
Ok, I just glanced over some of the links and thought the PRL determined what towers were available. So it only affects roaming?

PRL = preferred roaming list. Your phone will always scan for any of Spirit's LTE bands first. If it finds nothing on those three bands, it will then look for a Sprint CDMA (3G) signal. Failing to find one, it will then look to the PRL file to see what networks and at what speeds you (Sprint) are authorized to connect to and in what order. In a nutshell anyway.

pilotmills said:
PRL = preferred roaming list. Your phone will always scan for any of Spirit's LTE bands first. If it finds nothing on those three bands, it will then look for a Sprint CDMA (3G) signal. Failing to find one, it will then look to the PRL file to see what networks and at what speeds you (Sprint) are authorized to connect to and in what order. In a nutshell anyway.
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Click to collapse
Ahh, makes sense. Was just looking for any way to get better LTE connectivity and have the phone hold that connection.

This process works on OG5. Flashed 56025 PRL