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[Q] Ampe A10 3G problem

Hello!
I have an Ampe A10 tablet with Android 4.0.4 and the following details:
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Unfortunately, the 3G doesn't work. The tablet doesn't recognize the built-in 3G modem:
...even if I use PPP widget:
Could you please help me solve this problem?

The icon on your tablet in the right corner shows: There is no card inserted.
The modem is ready, but the card isn't identified.

W3sti said:
The icon on your tablet in the right corner shows: There is no card inserted.
The modem is ready, but the card isn't identified.
Click to expand...
Click to collapse
Hi!
Actually, the SIM-card is inserted in its slot.

hello, I have the same problem with my tablet AMPE A10, my IMEI is equal to 0,
I can not connect to 3g network. I have entered my pin code every 5 seconds. Many user of this tablet is one problem. At the moment nobody has an answer.

ouchered said:
hello, I have the same problem with my tablet AMPE A10, my IMEI is equal to 0,
I can not connect to 3g network. I have entered my pin code every 5 seconds. Many user of this tablet is one problem. At the moment nobody has an answer.
Click to expand...
Click to collapse
There is a Windows application for smartphones that can change the IMEI number, MTK DroidTools, but I'm not sure that it also works for this type of tablets.

Mazarin07 said:
There is a Windows application for smartphones that can change the IMEI number, MTK DroidTools, but I'm not sure that it also works for this type of tablets.
Click to expand...
Click to collapse
It doesn't work, 'cause Ampe A10 3G or Sanei N10 3G has a different chipset.

W3sti said:
It doesn't work, 'cause Ampe A10 3G or Sanei N10 3G has a different chipset.
Click to expand...
Click to collapse
Thanks for the reply.
In the meantime I managed to get my 3G working by a simple hard Reset. There is no need even for PP widget, it works out of the box, after setting the APN parameters.

Mazarin07 said:
Thanks for the reply.
In the meantime I managed to get my 3G working by a simple hard Reset. There is no need even for PP widget, it works out of the box, after setting the APN parameters.
Click to expand...
Click to collapse
Hi there, can I check whether you are having the Ampe A10 dual core 3G version? If yes, I would like to know which country you are based and whether your operator checks on the IMEI?
I have a connection issue with my Sanei N10 3G (similar to Ampe A10 3G). I am able to make calls but I cannot seems to get a 3G connection. If possible, can you let me know the process that you took (step by step, cos I am a noob) and what APN parameters that you had applied.
I have been scratching my head over this problem for the past few days. Your help will be truly appreciated. Thanks

robsterwc said:
Hi there, can I check whether you are having the Ampe A10 dual core 3G version? If yes, I would like to know which country you are based and whether your operator checks on the IMEI?
I have a connection issue with my Sanei N10 3G (similar to Ampe A10 3G). I am able to make calls but I cannot seems to get a 3G connection. If possible, can you let me know the process that you took (step by step, cos I am a noob) and what APN parameters that you had applied.
I have been scratching my head over this problem for the past few days. Your help will be truly appreciated. Thanks
Click to expand...
Click to collapse
Hi!
I'm from Hungary, and I don't know whether my operator checks the IMEI or not. I don't even know my IMEI number.
I have rooted the tablet, then inserted my 3G SIM card. After the card was detected, I went into Settings, done the automatic detection of my Mobile network, then properly set the APN (you have to ask for the exact details from your telco). You have to set especially the APN, MCC (mine is 216) and MNC (mine is 30).

Mazarin07 said:
Thanks for the reply.
In the meantime I managed to get my 3G working by a simple hard Reset. There is no need even for PP widget, it works out of the box, after setting the APN parameters.
Click to expand...
Click to collapse
I have the same problem. Can you be more explicit on what you did to solve the problem?
How have you done the hard reset?
Tks

pferro said:
I have the same problem. Can you be more explicit on what you did to solve the problem?
How have you done the hard reset?
Tks
Click to expand...
Click to collapse
There is a small hole on the right side matching the RESET label from the back of the unit.
Use a needle and push for 10 seconds.

Sanei N10 3G did not recognise SIM Card
Dear Friends, I have a new Sanei N10 3G version, it worked well the first 3days with the built in 3g SIM, all of a sudden, it stopped recognizing the SIM Card. I have inserted several other SIM Cards but still did not work. I tried to reset to factory default and still did not work. i found two IMEI Number listed, the first shows numbers, while the other displayed just "00". I have tried all I could to reset it but cant fix it.
Please, help me, as 3G is the only option I have to connect to internet, because Wifi is not a common thing here in Nigeria.
thanks...

I also have one Ampe a10 dual 3g, and it's loosing SIM connection or whatever. I've tried any reset combination and afterall it was always the same. My tablet has guarantee which means its probably somewhere on a ship to China.
I have two of them bought at the same time and one is working well (FW is few numbers lower) and second as I mentioned (newer FW).

Marker for Successful Hard Reset?
Mazarin07 said:
There is a small hole on the right side matching the RESET label from the back of the unit.
Use a needle and push for 10 seconds.
Click to expand...
Click to collapse
Hello!
I have been experiencing a similar problem with my Ampe A10 dual core...I tried to hard reset as you mentioned, pushed a needle into the slot for 10-20seconds, but it did not help!
The date and other things of the tablet got reset, but it still fails to detect the sim card!!
Is this a software issue or a hardware issue?

Had the same problem, turned out the origin was hardware.
When I opened up the tablet, the connectors of the SIM were unsoldered. I fixed it by glueing the SIM card enveloppe to the material under it.
Hope it helps

quantik said:
Had the same problem, turned out the origin was hardware.
When I opened up the tablet, the connectors of the SIM were unsoldered. I fixed it by glueing the SIM card enveloppe to the material under it.
Hope it helps
Click to expand...
Click to collapse
i have solved problem with EFS Pro and driver for ampe a10 3g dualcore
i have change imei=0 to another with 15 number
and now phone work perfectly with any operator in France
Ouf !!!

Unlocking Basebands on MI4

I've done everything like this described by olokos, but something must be changed for our device. Do step 1 and 2 like in the link, download the attached modified diag drivers for Xiaomi from this post. Next you enable the diag port with *#*#717717#*#* and connect your phone to the computer.
Now go on with step 11, but find MI_00 instead of MI_04 and install the driver from this post.
Do everything including step 33, then you disable diag port by dialing *#*#717717#*#* again, reboot your phone and you're done.
Now the question - many people discussed about enabling LTE on MI3, but this wasn't possible due to the Snapdragon built in this device... But in our MI4, there's a Qualcomm Snapdragon 801 MSM8974AC, which supports LTE. So, how to enable it? I think some NVs must be changed using QXDM!? Anything else?

Will be awesome if we can enable the lte on mi4 device ??

I would love to see a working LTE on this device soon.

dnle71 said:
I would love to see a working LTE on this device soon.
Click to expand...
Click to collapse
Would be totaly awesome. Watching this.

If I am not mistaken it uses the MSM8274AC instaid of the MSM8974AC wich is the same chip except it does not support 4G, if LTE could be enabled I will buy the device right away!

wacky.ddw said:
If I am not mistaken it uses the MSM8274AC instaid of the MSM8974AC wich is the same chip except it does not support 4G, if LTE could be enabled I will buy the device right away!
Click to expand...
Click to collapse
According to http://www.gsmarena.com/xiaomi_mi_4-6518.php
donpinsen said:
I've done everything like this described by olokos, but something must be changed for our device. Do step 1 and 2 like in the link, download the attached modified diag drivers for Xiaomi from this post. Next you enable the diag port with *#*#717717#*#* and connect your phone to the computer.
Now go on with step 11, but find MI_00 instead of MI_04 and install the driver from this post.
Do everything including step 33, then you disable diag port by dialing *#*#717717#*#* again, reboot your phone and you're done.
Now the question - many people discussed about enabling LTE on MI3, but this wasn't possible due to the Snapdragon built in this device... But in our MI4, there's a Qualcomm Snapdragon 801 MSM8974AC, which supports LTE. So, how to enable it? I think some NVs must be changed using QXDM!? Anything else?
Click to expand...
Click to collapse
So you tried it but it hasn't worked? I'd like to get this phone but the LTE was holding me back. I came here to see if there was any success in unlocking bands but you seem to be the only one questioning it.

Precarious27 said:
According to http://www.gsmarena.com/xiaomi_mi_4-6518.php
So you tried it but it hasn't worked? I'd like to get this phone but the LTE was holding me back. I came here to see if there was any success in unlocking bands but you seem to be the only one questioning it.
Click to expand...
Click to collapse
Would like to know as well. Lack of LTE in the current variant is what also held me back from purchasing.

With LTE it didn't work until now, in the post from my link there is only described unlocking GSM/WCDMA bands until now, not LTE. But it is a MSM8974, only the MI3 had an older version. This is a screenshot from QPST with connected Mi4...
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hi donpinsen does WCDMA actually work after you unlock the basebands? I've followed every step in your guide, but still I could not get the 3G WCDMA work on my MI4, even though QPST shows that all WCDMA bands are unlocked. My phone is the TD-LTE version, and I am sure that my location is covered by 3G WCDMA. I think the hardware of my TD-LTE MI4 does not support WCDMA signals. any ideas?
donpinsen said:
I've done everything like this described by olokos, but something must be changed for our device. Do step 1 and 2 like in the link, download the attached modified diag drivers for Xiaomi from this post. Next you enable the diag port with *#*#717717#*#* and connect your phone to the computer.
Now go on with step 11, but find MI_00 instead of MI_04 and install the driver from this post.
Do everything including step 33, then you disable diag port by dialing *#*#717717#*#* again, reboot your phone and you're done.
Now the question - many people discussed about enabling LTE on MI3, but this wasn't possible due to the Snapdragon built in this device... But in our MI4, there's a Qualcomm Snapdragon 801 MSM8974AC, which supports LTE. So, how to enable it? I think some NVs must be changed using QXDM!? Anything else?
Click to expand...
Click to collapse

Hi Just to clarify, does this method unlock the LTE bands for the MI4??
If so im buying the phone asap!

Mi4 , Google play store blocked
hello
I'm Abhi from mumbai, 00919867788773
I buy mi4 from china last month. All box pack from reputed internet website official paid money.
I have trouble that, I'm not able to start any Google application. Like no Google play store a gmaps and so not able to download any app.
it alwa'ys show warning
No internet access, and security warning that ur Not access to Google application.
I can receive emails And well connected withe wlan and also will sim data.
Have gone in mi market and done all download for Google by Eric...
Also installed all Google framework
But not able to start Google play store and any Google appilcation.
Please give the solutions , how do I star Google play store to download all Apps.

abhisayyam said:
hello
I'm Abhi from mumbai, 00919867788773
I buy mi4 from china last month. All box pack from reputed internet website official paid money.
I have trouble that, I'm not able to start any Google application. Like no Google play store a gmaps and so not able to download any app.
it alwa'ys show warning
No internet access, and security warning that ur Not access to Google application.
I can receive emails And well connected withe wlan and also will sim data.
Have gone in mi market and done all download for Google by Eric...
Also installed all Google framework
But not able to start Google play store and any Google appilcation.
Please give the solutions , how do I star Google play store to download all Apps.
Click to expand...
Click to collapse
Try clearing app cache. Go to the installed apps setting >>> Play Store and Clear Cache and run it again.
I do not own a mi4 but this method usually works with other apps that have crashed for me on other devices.
If that doesn't work, I read one solution that insist you install the GMail app, sign in. Reinstall Google play services again and then reboot the device.

bro
its not working
I did as u said.
wat to do ?

Someone think that this guide can enable the lte on our Mi 4? http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059

abhisayyam said:
bro
its not working
I did as u said.
wat to do ?
Click to expand...
Click to collapse
Wipe your device and try again.
---------- Post added at 02:17 AM ---------- Previous post was at 02:17 AM ----------
Ivyn87 said:
Someone think that this guide can enable the lte on our Mi 4? http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059
Click to expand...
Click to collapse
I wonder if this works on the Mi4, mine is coming tomorrow...

Any Updates?

Going to try some of the NV edits on my extra 16GB Mi 4 when I get to my desktop, will report back if I can get AT&T 4G LTE bands going.

i've managed to edit nv value as described but if I search network no lte is dispayed. maybe modem is not compatible?

Try going into settings, about phone, internal memory tap five times, set preferred network to GSM/LTE. Let me know what happens.

in that menu if i try to select lte only option the phone select wcdma preferred instead while if I set LTE, gsm/wcdma option no lte are visible in network search.
update
someone knows if exists an app or anything else to check which frequencies are enabled from phone itself?

[Q] SIM2 data speed

Huawei reports SIM1 to support 2G/3G/4G and SIM2 2G only.
I wonder if SIM2 may work in 3G/4G at least when SIM1 is deactivated?

yes. some Chinese managed to hack 3/4G for sim2.
卡2开启4g
http://bbs.anzhi.com/forum.php?mod=viewthread&tid=9562207&fromuid=25626505
.

anYone tested what soma900 mentioned above?
Sent from my H60-L02 using Tapatalk

More info.
The method involves flashing a custom cust.img. Or replace codes in local.prop.
Then sim1 and sim2 can be switched on an interface that any 1 use 4/3/2G the other stay with 2G.
Does not release more frequencies to any sim.
Does not support both sims on 3/4G. 1 must at 2G.
Update: did NOT work for me. I am on 2.3. Maybe need 3.0 to make it work.

yeah,it works,nice feature.
Sent from my H60-L02 using Tapatalk
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nrpetonr said:
yeah,it works,nice feature.
Click to expand...
Click to collapse
Can you make a guide so we can try it also?

power off the phone, enter fastboot mode (while holding volume down insert usb cable and wait till fastboot screen appears), flash cust.img from link provided hereinafter using fastboot.exe and restart the phone.
all flashing at your own risk. original thread states it is for b310 and factory resets should be done before and after flashing. I did not do any resets, also I am not on b310 and it works w/o problem
https://docs.google.com/file/d/0B91c3qL3qXr0V2VTbDVXRFpYZUk/edit?usp=docslist_api
p.s. don't hesitate to use thanks button if it works for you
Sent from my H60-L02 using Tapatalk

Hi nrpetons,
What ROM are you using? I have the L12 and I want to kick out the original huawei rom and your ROM it what I was looking for

It worked for me also
ROM 5.1.16 dev

I am on some custom chinese based on 5.2.1 for l02.
I believe it will work for l12 with any version of emui 3 roms.
link for my rom
http://bbs.anzhi.com/forum.php?mod=...age=1&filter=typeid&typeid=15409&typeid=15409
Sent from my H60-L02 using Tapatalk

Activate 4G on second sim without flashing cust.img
Important update on this hack !!!
I don`t know much about programming, but this is what I did to activate this option WITHOUT flashing the cust.img provided.
I edited local.prop and added the following lines at the end:
Code:
ro.config.dsda_single_rild=false
ro.hw_sglte_shareantenna=true
ro.lte_gsm_shareantenna=true
persist.radio.svlte_psshock=600,4,1200
persist.sys.dualcards=true
ro.config.hw_dts=true
ro.config.hw_nxp_eeapi=true
hw.npm.asyncntp=true
ro.config.distinguish_hspa=false
ro.config.hw_mirror_chip_v9r1=6
As I said, I don`t know much about hacking, maybe I added some extra lines, but those lines seemed related.
I also copied the file SUPLConfigParams.xml from the above cust.img because it had some LTE, GSM parameters modified. I have added this file to the post.
I confirm that the dual-active function is working.
So , for those with more experience about this, please update the above experience and tell us if there is something we should leave out.

maybe 2 line of codes are resposible
In a post many peaple experimented to change 2 line of codes to activate 4G on sim2. They succeeded.
http://bbs.anzhi.com/forum.php?mod=viewthread&tid=9563906&fromuid=25626505
in cust\unicomelectric\cn\prop\local.prop
Code:
ro.modem.type=6260
persist.sys.dualcards=true
It did not work for me because I am on 2.3. Has to be EMUI3.0.
@mihaipi one code in your lines. Are you on 2.3 or 3.0?
@Zentachi you can try.
.

@soma, I read that chinese thread. do u understand it that both card should be able to have 3g/4g in same time or one will always be 2g? than it would be just easier way of switching 3g/4g from sim1 to sim2 and vice versa compared to flashing cust.img...
btw, I am on emui 3 and have both lines
Sent from my H60-L02 using Tapatalk

@soma900
I tried that method with the two lines and it worked
@nrpetonr
I believe it is only to switch with sim card you want to operate on 4G
Maybe later someone will unlock 4G on both sim cards at the same time

soma900 said:
In a post many peaple experimented to change 2 line of codes to activate 4G on sim2. They succeeded.
http://bbs.anzhi.com/forum.php?mod=viewthread&tid=9563906&fromuid=25626505
in cust\unicomelectric\cn\prop\local.prop
Code:
ro.modem.type=6260
persist.sys.dualcards=true
.
Click to expand...
Click to collapse
Thanks guys, this is indeed very interesting for many users, ie. those travelling often and needing to swap the cards physically often for having 3G connectivity. I can't see why on earth the option isn't built-in in the settings, if it's possible to swap hardware-wise..
I assume root is required for editing those lines. And then simply search that file and edit those lines. Is that it?

disciplinedhtc said:
Thanks guys, this is indeed very interesting for many users, ie. those travelling often and needing to swap the cards physically often for having 3G connectivity. I can't see why on earth the option isn't built-in in the settings, if it's possible to swap hardware-wise..
I assume root is required for editing those lines. And then simply search that file and edit those lines. Is that it?
Click to expand...
Click to collapse
correct
Sent from my H60-L02 using Tapatalk

Does it works for Honor 6 Plus LTE version too?
I need to be sure before buying the device.
This is a very essential option for people travelling abroad or people who needs to switch off one sim at times (typicallly people who use one sim for work).
I really don't understand why it's not built-in, I am let down by Huawei.

nrpetonr said:
@soma, I read that chinese thread. do u understand it that both card should be able to have 3g/4g in same time or one will always be 2g? than it would be just easier way of switching 3g/4g from sim1 to sim2 and vice versa compared to flashing cust.img...
btw, I am on emui 3 and have both lines
Sent from my H60-L02 using Tapatalk
Click to expand...
Click to collapse
same effect. Only one sim can use 4/3G, another keep 2G. Advantage is that you can switch 2 sims via the interface. Otherwise one need to switch phone off, switch sim cards in 2 slots, turn phone on. kind of burden.
.

soma900 said:
same effect. Only one sim can use 4/3G, another keep 2G. Advantage is that you can switch 2 sims via the interface. Otherwise one need to switch phone off, switch sim cards in 2 slots, turn phone on. kind of burden.
.
Click to expand...
Click to collapse
Flight mode and then switch the card then flight mode off, so no need of switching phone off completely. But still it's something you'd rather avoid, especially when the hardware is made for it and Huawei left the option out.. Cause that Sim slot cover looks like going to tear apart..

soma900 said:
same effect. Only one sim can use 4/3G, another keep 2G. .
Click to expand...
Click to collapse
What's the point in having 2 sim working in 4G at the same time if you can only use data from one sim at time?!?

[Q] Can APN settings now be edited on Lollipop versions?

I purchased this phone on eBay for use on a non-Verizon network (Rogers). Unfortunately, it seems that since the 4.4.3 OTA, APN settings cannot be manually entered, and the network preference list does not work with my SIM card (says it's full with 0 items, exactly like this). I've done a lot of reading, and I've seen lots of people complaining about the same issue, but it seems no solution has been found. Yes, I've flashed custom ROMs like ViperOneM8. I even tried editing build.prop as shown in a very old post here but that also failed. I also even tried to open the SQLite database to edit it manually, but had no luck there either.
SO now I'm wondering if the new OTA has re-enabled this (I doubt it, but I want to ask before I re-sell the phone!).

skittleys said:
I purchased this phone on eBay for use on a non-Verizon network (Rogers). Unfortunately, it seems that since the 4.4.3 OTA, APN settings cannot be manually entered, and the network preference list does not work with my SIM card (says it's full with 0 items, exactly like this). I've done a lot of reading, and I've seen lots of people complaining about the same issue, but it seems no solution has been found. Yes, I've flashed custom ROMs like ViperOneM8. I even tried editing build.prop as shown in a very old post here but that also failed. I also even tried to open the SQLite database to edit it manually, but had no luck there either.
SO now I'm wondering if the new OTA has re-enabled this (I doubt it, but I want to ask before I re-sell the phone!).
Click to expand...
Click to collapse
Ota Has not landed yet. The answer when it does will be no. I can't see anything different on L than 4.4.4

dottat said:
Ota Has not landed yet. The answer when it does will be no. I can't see anything different on L than 4.4.4
Click to expand...
Click to collapse
OTA has landed for most carriers at this point. Edit: I'm an idiot. We're talking about Verizon.
Are you running a ROM based on the dev-base?

skittleys said:
I purchased this phone on eBay for use on a non-Verizon network (Rogers). Unfortunately, it seems that since the 4.4.3 OTA, APN settings cannot be manually entered, and the network preference list does not work with my SIM card (says it's full with 0 items, exactly like this). I've done a lot of reading, and I've seen lots of people complaining about the same issue, but it seems no solution has been found. Yes, I've flashed custom ROMs like ViperOneM8. I even tried editing build.prop as shown in a very old post here but that also failed. I also even tried to open the SQLite database to edit it manually, but had no luck there either.
SO now I'm wondering if the new OTA has re-enabled this (I doubt it, but I want to ask before I re-sell the phone!).
Click to expand...
Click to collapse
Hi @skittleys
I'm just as disappointed as you !
I've also tried everything, pretty much the same methods as you. I'm able to use HSPA+ on AT&T network (USA), just like before the f***** update to 4.4.4.
My problems are: no MMS, no group message, annyoing non verizon SIM icon.
For the rest everything perfect, what about you?

matheus zebu said:
Hi @skittleys
I'm just as disappointed as you !
I've also tried everything, pretty much the same methods as you. I'm able to use HSPA+ on AT&T network (USA), just like before the f***** update to 4.4.4.
My problems are: no MMS, no group message, annyoing non verizon SIM icon.
For the rest everything perfect, what about you?
Click to expand...
Click to collapse
I have no data, no MMS. When trying data, the icons in the status bar claim I'm connected to H+, but when I actually go to a browser, I can't use the internet.

skittleys said:
I have no data, no MMS. When trying data, the icons in the status bar claim I'm connected to H+, but when I actually go to a browser, I can't use the internet.
Click to expand...
Click to collapse
Did you try wipe cache partition ?
You said that tried Viper custom rom, did you tried another roms?

matheus zebu said:
Did you try wipe cache partition ?
You said that tried Viper custom rom, did you tried another roms?
Click to expand...
Click to collapse
Yes.
I tried a CM11-based ROM, and it worked, presumably because CM bakes in a ton of APNs... unfortunately that ROM wouldn't recognize my SD card.
I'm debating flashing an L-based ROM, even though I'm worried about my work apps not working. However, I doubt the APN thing has been fixed...so...I feel stuck.
I really quite like this phone, but it's been such a hassle...

I have LolliGPE flashed on my M8, and it works fine - APN settings and everything. Of course S-Off (SunShine) is required, but it's required in order to get a ROM with APN settings.
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"lightbox_toggle_sidebar": "Toggle sidebar"
}
Also, seems like the Verizon HTC One M8 has a sizeable population over the border. I'm on Rogers Wireless too

PowerLemons said:
I have LolliGPE flashed on my M8, and it works fine - APN settings and everything. Of course S-Off (SunShine) is required, but it's required in order to get a ROM with APN settings.
Click to expand...
Click to collapse
Hi,
I'm at my wits end with a Verizon M8 I bought last week on Swappa and brought to Brazil expecting it to work with my carrier here (Claro). In 5 days I've gotten weird results:
First 2 days of voice but no data (with a '?' over a SIM card icon in the notification bar)
Then 1 day of voice and data signal icon flashing up/down arrows, but no actual data connection
Now 2 days of no voice and no data (with an 'X' over the SIM card icon and voice signal icon)
I've talked to VZW for 2 hours total. Their answer: the phone is unblocked.
I've been to Claro 5 times. Their answer:
There is also the possibility that all HTC One M8s are blocked by the Brazilian government communication agency (ANATEL) under some new absurd anti-piracy law, even though the One S, V, and X are approved. However, other M8 owners in Brasil claim they are able to use it here no problem, even on 4G. So I don't get what the problem with mine is.
Is there a custom ROM, Lollipop or otherwise, someone can confirm will let me at least try to configure the APN manually?

hardboiledjuice said:
Hi,
I'm at my wits end with a Verizon M8 I bought last week on Swappa and brought to Brazil expecting it to work with my carrier here (Claro). In 5 days I've gotten weird results:
First 2 days of voice but no data (with a '?' over a SIM card icon in the notification bar)
Then 1 day of voice and data signal icon flashing up/down arrows, but no actual data connection
Now 2 days of no voice and no data (with an 'X' over the SIM card icon and voice signal icon)
I've talked to VZW for 2 hours total. Their answer: the phone is unblocked.
I've been to Claro 5 times. Their answer:
There is also the possibility that all HTC One M8s are blocked by the Brazilian government communication agency (ANATEL) under some new absurd anti-piracy law, even though the One S, V, and X are approved. However, other M8 owners in Brasil claim they are able to use it here no problem, even on 4G. So I don't get what the problem with mine is.
Is there a custom ROM, Lollipop or otherwise, someone can confirm will let me at least try to configure the APN manually?
Click to expand...
Click to collapse
Further woes might even include the nv settings for the vzw phone not support the bands used by the carrier there.
you cannot edit them manually.. If your new carrier's APN doesn't show up in the list.. you are going to have one hell of a time making it work. Your best bet if possible is to downgrade the OS back to 4.4.2 and try that as you can edit the APNs on that OS.
OR flash CM or a rom that supports manual apn.

dottat said:
Further woes might even include the nv settings for the vzw phone not support the bands used by the carrier there.
Click to expand...
Click to collapse
I got confirmation that the device is compatible with local carrier band frequency. I've chatted elsewhere with owners of VZW M8s who successfully got their devices to work on Brazilian carriers. (On 4.4.2 coincidentally)
dottat said:
OR flash CM or a rom that supports manual apn.
Click to expand...
Click to collapse
I talked to an HTC rep today who simply advised I try a different chip. I also want to flash a rom with manual APN as you suggest. I can't easily find out which ROMs have that feature, though. So you say CM does, even the latest version of CM?

hardboiledjuice said:
I got confirmation that the device is compatible with local carrier band frequency. I've chatted elsewhere with owners of VZW M8s who successfully got their devices to work on Brazilian carriers. (On 4.4.2 coincidentally)
I talked to an HTC rep today who simply advised I try a different chip. I also want to flash a rom with manual APN as you suggest. I can't easily find out which ROMs have that feature, though. So you say CM does, even the latest version of CM?
Click to expand...
Click to collapse
Yeah.. that's why i mentioned both CM and 4.4.2. Now I can't be certain, but I have heard that some roms like venom have expanded APN support as well. Best bet is to get that think s-off if you can and start doing some trial and error. The toughest part might be getting that thing s-off'd. Can't go any further until you got that.

dottat said:
Yeah.. that's why i mentioned both CM and 4.4.2. Now I can't be certain, but I have heard that some roms like venom have expanded APN support as well. Best bet is to get that think s-off if you can and start doing some trial and error. The toughest part might be getting that thing s-off'd. Can't go any further until you got that.
Click to expand...
Click to collapse
I've got the phone bootloader unlocked/s-off already, so I'm ready to flash. I would just like some confirmations of roms that definitely keep the apn editing in. From the looks of it, e.g. here, CM12 does not have manual APN settings.

well i use this phone in india on a GSM network. .initially when i flashed the stock 5.0.1 FUU version mobile data wasnt working. .however i was able to add the apn maually for mobile data. .however your sim and network should get detected first as soon as you put the sim in

Anyone try adding the apn build.prop lines from gpe/cm/aosp to the build.prop of a sense rom?

enigma2446 said:
Anyone try adding the apn build.prop lines from gpe/cm/aosp to the build.prop of a sense rom?
Click to expand...
Click to collapse
enigma2446 - That's an interesting thought. Can you post the apn lines?

Question Cracking/squealing between phone call

Hi.
Today I ported all my things from P5 to P7Pro and I noticed a very annoying thing.
In every call, after a minute or two there beggins cracking/squealing, like it's a bad connection.
I updated the phone to the latest Android version (screen in att). I tried restarting, with another SIM but the same ...
No problem at all on my P5.
Anyone else facing that?
I'm really disappointed that this disables the basic use of the phone and I don't even know how to start reporting a bug considering I'm using the phone in an unsupported country. :/
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Thanks for your help.

Strange one, not something I have nor read anyone else having. I'd suggest you have a faulty handset if you have tried another sim from another sim in it (presumably from another provider).

Beefheart said:
Strange one, not something I have nor read anyone else having. I'd suggest you have a faulty handset if you have tried another sim from another sim in it (presumably from another provider).
Click to expand...
Click to collapse
Yes, another SIM from another provider.
Yes, strange one. I did not found anything similar anywhere ...

akulp said:
Yes, another SIM from another provider.
Yes, strange one. I did not found anything similar anywhere ...
Click to expand...
Click to collapse
Do you have clear calling enabled? Not sure if it would make a difference, but I did see one or two people report that their connection was worse with it, although for most I think it's better. Not sure they reported crackling/squealing though.

Lughnasadh said:
Do you have clear calling enabled? Not sure if it would make a difference, but I did see one or two people report that their connection was worse with it, although for most I think it's better. Not sure they reported crackling/squealing though.
Click to expand...
Click to collapse
I read about CC, but in my version there is no such option for now. Waiting for upgrade ...

Hello I have the same issue with Italian PosteMobile.
Where are you from?
It starts after 5 or 6 minutes in call.
Same phone but with other operator I have no problems.
Is your operator a virtual one? Full MNVO?

giobik said:
Hello I have the same issue with Italian PosteMobile.
Where are you from?
It starts after 5 or 6 minutes in call.
Same phone but with other operator I have no problems.
Is your operator a virtual one? Full MNVO?
Click to expand...
Click to collapse
Hi!
Not so great for you and me, but great that I'm not the only one.
I'm from Slovenia.
Hm, strange, so something with operators u think? I'm on Telekom Slovenia, so biggest national operator ...

Idk but I know someone that works for my operator and they will try to understand what's the problem, in theory...
I'm also thinking opting in Beta Android to check if a newer rom fixes the issue.
If I have news I'll post here!

giobik said:
Idk but I know someone that works for my operator and they will try to understand what's the problem, in theory...
I'm also thinking opting in Beta Android to check if a newer rom fixes the issue.
If I have news I'll post here!
Click to expand...
Click to collapse
Great, thank you!

giobik said:
Idk but I know someone that works for my operator and they will try to understand what's the problem, in theory...
I'm also thinking opting in Beta Android to check if a newer rom fixes the issue.
If I have news I'll post here!
Click to expand...
Click to collapse
Hm, today I had zero issues up to now.
Yesterday in the evening I took out my primary SIM card, cleaned SIM slot with air pressure ...
I keep fingers crossed!

Same issue here but I only get it after exactly 20 minutes of calling. I'm using kpn Netherlands with a esim . I migrated from pixel 5 also with esim on same provider. I must note that after I disabled 2g calling from the settings that not all calls have the issue anymore.

Same problem here in Portugal after 15m in a call.

I must say that now after testing a couple of days with the 2g slider turned off, 90+% of the calls go without big audio issues. Only sometimes 1-5 seconds long distortion of some kind is left

Hello, problem still present after many updates and now on last beta.
Probably most of you solved it by switching to another operator, but I can't.
I opened an issue in Android Bug Report and discovered through logcat that there are some duplicate received frames.
If you suffer from the same issue I kindly ask you to post in this official issue link to let Android developers know that I'm not the only one with this problem!
Google Issue Tracker
issuetracker.google.com
Take a look to my answer number 6 to see the logcat :
On a Windows PowerShell:
adb logcat | find "F1:ERR"
Google Issue Tracker
issuetracker.google.com
If the problem remains unsolved I will sell my Pixel 7Pro, I can't work with this issue (and cannot change operator as it is the professional on that gave me my employer).
Thank you!

Same problem here

Hello, as of today nothing changed, just updated on beta 13 (T2B2.221216.008)
Annoying...

Same problem here!
After about 8 minutes of calling with Postemobile operator (Italy), the call starts croaking! More and more often I receive text messages from people who have looked for me, despite the fact that the phone was always under excellent signal. Postemobile still has VoLTE not enabled on Pixel7.

sbellisario said:
Same problem here!
After about 8 minutes of calling with Postemobile operator (Italy), the call starts croaking! More and more often I receive text messages from people who have looked for me, despite the fact that the phone was always under excellent signal. Postemobile still has VoLTE not enabled on Pixel7.
Click to expand...
Click to collapse
Please, write a comment in this Bug Issue Tracker to let know Google we have this horrible problem.
Also click the +1 on top to increment the counter!
Google Issue Tracker
issuetracker.google.com

giobik said:
Please, write a comment in this Bug Issue Tracker to let know Google we have this horrible problem.
Also click the +1 on top to increment the counter!
Google Issue Tracker
issuetracker.google.com
Click to expand...
Click to collapse
done