[Q] MTK Signal Problems - Android Q&A, Help & Troubleshooting

Hi everyone,
I have an Elephone P2000 which has MTK6592, my mother has a Walsun finder which has MTK6582.
We live in a zone where the signal is not very good, but we have a problem : When these phones find the signal, after some time (like 30 mins) the signal has a lock, even if the phone says there is signal, if someone calls us, we are not available and we cannot send SMS.
To fix this, we have to enable and disable plane mode. It's very annoying !
But if we go to a city covered with phone signal, we do not have any problem. I cannot find this problem in other sites.
Does someone know a solution ? My Elephone P2000 is already rooted.
Thanks !

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[q] make/receive call work only in gsm mode?

I'm facing this problem since i bought this phone.
When i set my phone to WCDMA/GSM OR WDMA ONLY mode my phone drop randomly calls and in 80% of case unable to make call ("conditional call forwarding active" repetedly appearing till call is ended).
When i switch to GSM only mode the phone run smoothly without any problem..
P.s : i thought it was related to the 3G/H issue but i don'T know exactly caus' even when i'm connected on Wifi it's the same problem.
Your Help will be very appreciable.
Regards,
please any help .. anyones facing this issue .....please help!!!!
F-f-f-f-factory Reset!
You get it on a plan or something? Or outright?
I'm afraid does'nt work for me!!!
I would guess its to do with you having a weak 3g signal and you will be connected to 3g when you make a call, then move into an area that's gsm only and the call will therefore have to drop as the signal changes.
I have a widget that goes to the mobile networks settings page and tend to keep my phone on gsm only while I'm not using the internet or on wifi etc then switch up as need be.
Sent from my GT-I9100 using XDA App
can you give me the name of the widget please?

WIKO JIMMY - Android 4.4 (custome) telephone call problem.

Hello,
i bought a WIKO JIMMY (and i change the device 3 times!!) i have a problem with the TELEPHONE CALL MODULE, after 3/4 our of inactivity (although the signal icon shows full signal) i cannot make and/or receive phone call... i need to activate the AEREO-mode or restart the device. Seems that the support is only able to substitute the HW and not to solve the problem, have somone an hit for this?
appreciated
J.

HUAWEI ASCEND MATE 7 Version MT7-J1

Good morning I want to make an inquiry and see if someone can help me, buy this fabulous smarphone Huawei Ascend Mate 7 model MT7-J1, I live in Cordoba Argentina Huawei it works perfect but I have a problem ...... When you use mode Automatic preferred network (4G / 3G / 2G) leaves me not receive calls, or if I call (DISCAN) continuously given as busy, as if I were on a call, I myself make a call from another phone to my number in Huawei and not receiving my call ...... da busy line, also when I want to make a call from my first attempt Huawei terminates the call, the second attempt disappears from the notification bar 4G and only then performs the call went to my provider of Movistar service to see if my problem was SimCard, tried to take it off the other smarphone and works perfect, or is it a problem in my smarphone, I call us the attention that selecting the option .. ...... Automatic Preferred network mode (3G / 2G) ..... the problem goes away ,,,, in this way can receive and make calls perfectly, the fact is you buy this model MT7-J1 because it is the only model in this line that supports the band 4 (B4) used in Argentina to use the 4G / LTE and although all of 4G works more perfect in this smarphone I only have this problem with the calls,
If anyone can help me and know how to solve this problem really appreciate it, send mail to HUAWEI but never answered me, that's what I do not understand, because HUAWEI offers its website, if when customers have a problem never respond or offer help and here in Argentina HUAWEI service ...... not a rock, I hope you can help me thank you very much from now ........ ADRIAN from Cordoba Argentina.

siswoo C50A 4G LTE PHONE - NOT WORKING AT MY HOME - NO CALLS IN/OUT - NO TEXT IN/OUT

hi there,
i have some issues with my new 4g lte siswoo c50a cell phone..
-can someone supply me the lte APN for rogers as i think im missing something.
-I have an issue with my cell phone when i get to my home that i am unable to make or receive calls from my residence. Never had an issue with any other phone ...ever..... even my garbage ulephone be pro...
also
-i have an issue with photos that i get when they are sent to me via text MMS. Shows the download button but will not download.
please help as i believed this is the best site on line for answers.
This phone seems to work fine anytime except for when im at home.. maybe there is some resistance at my house thats causing problems.... help !!
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i9100 - Strange Problem with Calls.

Hi,
my dad brought me his i9100 with some strange problem.
Outgoing calls work fine - everybody can hear the other one
Incoming calls are completly silent - connections is on, timer is running but noone can hear each other.
Tests with different phones (Galaxy s7 edge, Wiko Rainbow Jam) and even my landline telephone - always the same problem
Happens with different firmwares
Now i am at Stock and it is still present.
Tried some 6.0.1, 5.1.1 and 4.4.4 Roms.
http://forum.xda-developers.com/galaxy-s2/development-derivatives/rom-cyanogenmod-13-t3223808
http://forum.xda-developers.com/galaxy-s2/development-derivatives/rom-cyanogenmod-11-t2686887
http://forum.xda-developers.com/galaxy-s2/development-derivatives/rom-t3356498
http://forum.xda-developers.com/galaxy-s2/development-derivatives/rom-slimlp-aplha1-t3032958
http://forum.xda-developers.com/gal...dirtyunicorns-v9-3-unofficial-builds-t3111998
i really can't figure it out.
One flash went bad and deleted the IMEI but i fixed it with the EFS Backup but the problem was there before.
Has anyone a solution or idea?
Thanks guys
## edit
after talking to my provider they told me, that is some hardware problem in my area... so it's not phone related

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