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[Please help] [ Please Help ] Blu Advance 4.0 L Part 2

#1

Hello everyone. I was very impressed by the help I received last time I was here, so I'm back to see if you guys can help me fix an issue that was caused by the solution to my previous problem. reference topic: forum.hovatek.com/thread-9975.h t m l


Issue:

1. Sim card takes 3-4 hours to acquire correct network signal once the signal has been lost ie. Turning off the phone, moving to an area with no coverage,etc. ( does not affect calls/text )
1b. Clock is off by 3 hours until proper signal is found.
1c. Can not use my Data until proper signal is found.

2. Connecting to wifi causes the signal to be lost and phone will not try to search for correct signal until no wifi connection is present.

What caused the issue:

By my best guess, I believe it was due to leaving the sim card in when i used "spft" to flash over my corrupted rom. I'm assuming that one of the processes messes with sim cards and now my sim card is missing information that was vital to it performing correctly. Read the full story to see why I believe this is true.


Full Story:

So I've had this crappy obama phone for over 2 years now and although I hate it, I'm to cheap to replace it. Three months ago I finally got fed up with it and decided to call Lifewireless to see how much they would charge me to get a new phone. Apparently they offered one free upgrade, so I took it. I also inquired about getting a data plan and I was told that 500mb of data a month is free IF YOU ASK FOR THE PLAN. SO yeah, turns out I could have had data for over 2 years but because I was never told about a better phone plan when I called the company previously looking for help or the fact that when I first got my phone I was never even told there was a slightly better plan that was free really pissed me off Angry Angry Angry  .
Anyways, I got the new phone only to find out it was WAY crappier then my old one and i ended up breaking it on accident 2 weeks after i got it. I decided to put in both the old and new sim cards into my old phone and after seeing that they both canceled each other out I cut off the data connection in the old sim card and everything worked fine. I started to appreciate my old phone way more until the rom got corrupted for like the 15th time since I've had it. Had no choice but to flash over it to fix it and that's when I noticed all the issues with the network signal. I actually knew about the clock issue but I had no idea what caused it until I realized that all these issues arose the second I flashed over the phone with the new sim card still inside and everything was fine before I flashed.
So yeah that's everything. Thanks for reading and I hope you guys can come through again and save me from my terrible phone  :p .


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#2
(08-13-2017, 01:35 AM)Tallgeese3 Wrote: Hello everyone. I was very impressed by the help I received last time I was here, so I'm back to see if you guys can help me fix an issue that was caused by the solution to my previous problem. reference topic: forum.hovatek.com/thread-9975.h t m l

From all you've described, it has nothing to do with the SIM having been inside the phone while flashing. This sounds like a classic NVRAM issue.
An NVRAM issue would explain WiFi clashes with signal detection and also signal detection lags.
Usually, you would need an NVRAM backup from a working phone of the same model (not necessarily the same Build, variant or even Android version sometimes).
Depending on the content of the firmware you flashed, you might find NVRAM or DB files (APDB, BPLGU or MDDB) which can be written to the phone to fix NVRAM errors like this
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#3
(08-14-2017, 08:09 AM)hovatek Wrote:
(08-13-2017, 01:35 AM)Tallgeese3 Wrote: Hello everyone. I was very impressed by the help I received last time I was here, so I'm back to see if you guys can help me fix an issue that was caused by the solution to my previous problem. reference topic: forum.hovatek.com/thread-9975.h t m l

From all you've described,  it has nothing to do with the SIM having been inside the phone while flashing. This sounds like a classic NVRAM issue.
An NVRAM issue would explain WiFi clashes with signal detection and also signal detection lags.
Usually, you would need an NVRAM backup from a working phone of the same model (not necessarily the same Build, variant or even Android version sometimes).
Depending on the content of the firmware you flashed, you might find NVRAM or DB files (APDB, BPLGU or MDDB) which can be written to the phone to fix NVRAM errors like this


Thanks for the reply. Checked stock rom and it contains:

1. BPLGUInfoCustomAppSrcP_MT6572_S00_MOLY_WR8_W1315_MD_WG_MP_V36_P4_1_wg_n  

2. APDB_MT6572_S01_KK1.MP7_


I did a little bit of googling but I'm still not clear on what the exact procedure to inject these into my phone is. It seems like its a pretty lengthy process involving an app called SNwriter. Can you please point me in the right direction? Thanks again.

On a side note while I do agree the issue is more then likely nvram related ( i even have the nvram warning: err 0x10 issue ) I still find it rather peculiar that none of these issues were present UNTIL I flashed Huh .
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#4
(This post was last modified: 08-15-2017, 10:18 AM by hovatek. )
(08-15-2017, 01:12 AM)Tallgeese3 Wrote: Thanks for the reply. Checked stock rom and it contains:

1. BPLGUInfoCustomAppSrcP_MT6572_S00_MOLY_WR8_W1315_MD_WG_MP_V36_P4_1_wg_n  

2. APDB_MT6572_S01_KK1.MP7_


I did a little bit of googling but I'm still not clear on what the exact procedure to inject these into my phone is. It seems like its a pretty lengthy process involving an app called SNwriter. Can you please point me in the right direction? Thanks again.

On a side note while I do agree the issue is more then likely nvram related ( i even have the nvram warning: err 0x10 issue ) I still find it rather peculiar that none of these issues were present UNTIL I flashed Huh .

Some roms are laden with NVRAM problems. In other cases, it could happen when you format first before flashing. You're to follow the SN writer guide @ https://forum.hovatek.com/thread-12306.html and re-write IMEI and WiFi (Mac) address
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#5
Well I followed all the steps provided in the SN writer guide, failed about 6 times before finally getting it to work and......mixed results.

side note:  The reason I failed so many times was that there was a specific timing I kept missing and when I finally got that down I ran into this ---->

MetaResult = DEFAULT_FAIL

Message: EntertAPMetaMode() : MetaResult = DEFAULT_FAIL

Meaning: SN Writer is having problems connecting to the device over USB

Solution:
Once I followed the steps with the correct timing I passed.

Issues fixed:

1. wifi - Nvram warning error is gone.


Issues remaining:

1. Phone still unable to receive data signal in a timely manner ( have not tested the time it takes to receive signal yet, but before the issues began the data signal was found almost instantly )

2. Wifi and data clash still present, preventing phone from receiving data signal while wifi is present ( No proof of this just yet, I'm only assuming)


Final thoughts:

I was really hoping this would have been the answer because I don't know how long it will take before i can get a new phone and I would hate to be in an emergency where I need data and have to wait 4 hours just to use it. The only other info I can provide is that I did use format all + download when flashing. Thanks again for all your help and if it can't be fixed then... well... I guess I will jsut have to live with this even more broken phone >.< .
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#6
(08-19-2017, 12:26 AM)Tallgeese3 Wrote: Final thoughts:

I was really hoping this would have been the answer because I don't know how long it will take before i can get a new phone and I would hate to be in an emergency where I need data and have to wait 4 hours just to use it. The only other info I can provide is that I did use format all + download when flashing. Thanks again for all your help and if it can't be fixed then... well... I guess I will jsut have to live with this even more broken phone >.< .

Formatting explains the NVRAM issue.
You have 2 options now
1. Find another firmware without inbuilt NVRAM / boot.img problems
2. Get an NVRAM + Secro backup from a working phone of the same model
Need further assistance? Speak with a Hovatek Representative:
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#7
Well I followed your advice and decided to try and track down another copy of my phone's stock rom. I eventually ended up at this website :

https://mega.nz/#F!84gVTIxY!B0PVanNo5MbdOTiIO7d2HA

This link directs you to a personal cloud storage that contains an entire repository of stock roms from the BLU company. I downloaded my version, flashed my phone again using download only ANDDDDDDDD nope. Still no data. I also didn't have to fix any NVRAM errors are reinput my imei codes for once so I was very happy about that. I decided to check on google if anyone else has had this problem and as I read more on the subject I was able to surmise that the error may have to do with incorrect APN settings. That led me to refining my google search to my specific company and apn settings which led me to this topic:

https://www.reddit.com/r/nexus6/comments..._settings/

Although the settings weren't for my specific phone, I plugged in the information he provided, turned off my wifi and PRESTO!  4g data connection restored in mere seconds. I tested it out and there doesn't seem to be any real issues so far. The only thing worth noting is that when a wifi connection is present the 4g data connection symbol goes away. I'm almost certain that before the problems arose even while wifi was active the 4g connection icon remained but I've yet to see any real impact on the wifi/4g connection even with this possible error present so it's just an issue I can easily live with.

Thanks again for all the help and hopefully you guys or someone else can use this info to solve future issues!
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