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[Completed] Samsung Galaxy S5 Problem

Hi,
I have a problem with my S5 and I was wondering if I could find any help in this forum. Excuse me for my English and if I am not posting in the correct section, is my first time in the forum.
I live in Lima, Peru and I recently bought an Unlocked Samsung Galaxy S5 model G900W8 from GSM Nation in the USA.
I choose this version of the S5 since it was unlocked for the bands in which my operator (Claro) works here in Peru (2G: 1900Mhz, 3G:850Mhz and 4G: 1900Mhz (Band 2)).
When the phone arrived, I just changed my microSIM card from my old phone to the S5 and it worked without any problem, I was able to make calls and navigate normally. But since my plan was only a 3G plan (since my old phone didn't support 4G) I decided to upgrade to a 4G plan. I went to make the change and my carrier informed I also needed a new microSIM to use a 4G plan, and I did so. But when I plugged in the new microSIM the phone it doesn't work. It shows the message "Emergency calls only" and when I try to call it shows "Not registered on network". I called my carrier for support and they said they have already made the change and activated the new microSIM and that they can't give me any further support since they only sell the Galaxy S5 G900M with their plans.
I don't know what is causing this problem, but I think it must be something related to my carrier that is blocking my phone to access their network but only with the 4G plan and microSIM.
Thanks in advance for your help.

Hi there!
If I had to guess, I'd say its 1 of 3 things,
1. An account problem with your carrier.
2. Your APN setting for the new 4g network are not right or missing. You'd have to find out from your carrier what they should be.
3. Simply a bad sim card.
All of those need to be discussed with your carrier though.
However, feel free to ask in the S5 Questions and Answers section. Perhaps someone there can offer other ideas.
http://forum.xda-developers.com/galaxy-s5/help
Good luck!

[Completed] Ipro I9350 (q10) - problems with WCDMA

Greetings, my Iproi9350 marked q10 refuses to register with UMTS in Europe (EDGE works all right). i rooted the piece, and I accessed test mode through *#*#4636#*#* The test menu provides plenty of options on how to access the network. but the band selection is limited to: auto | USA | AUS2. The telephone is advertised to have the 2100 WCDMA band. I enquired the manufacturer and the seller. The seller answered they would contact the manufacturer. The manufacturer has never answered my enquiry and I suppose the seller has received none either. Any tricks or hints? I have Parkinson disease and I am unable to use a smartphone without a keyboard. I also need a dual sim one, and this handset is the best compromise I found so far.
Many thanks in advance

Please post your query in Android Q&A, Help & Troubleshooting
It seems like the phone has been locked to specific networks you have listed. You may wish to contact the seller to see how it can be unlocked.

[Completed] about s6 920i why this phone dont work in usa? it's factory unlocked to gsm.

Hello ...! s6 buy a samsung 920i factory unlocked via internet, the seller said the official phone with any GSM T-Mobile company ATT etc ... but to put the sim card did not work ...! Why is this happening?

XDA Visitor said:
Hello ...! s6 buy a samsung 920i factory unlocked via internet, the seller said the official phone with any GSM T-Mobile company ATT etc ... but to put the sim card did not work ...! Why is this happening?
Click to expand...
Click to collapse
Hello, and thank you for using XDA Assist!
The 920i is the international model, and thus misses Band 4 (1700mHz) which is used by the USA GSM operators (AT&T, T-Mo, MetroPCS, et cetera). This means you won't get 4G LTE with this device.
Also, if trying with T-Mobile, they alos use 1700mHz for HSPA (3G), a frequency your device does not have either. So unless T-Mo still supports 2G (I remember a planned phasing of that out at some point), your device will not work with their network.
AT&T on the other hand, uses 3G 850/1900 frequencies, so you should be okay.
At any rate, I could be optimistically wrong. So, please create an account, so you cna post in other forums, then either post in the above linked thread, or in the S6 general help thread:
> Samsung Galaxy S6 > Galaxy S6 Q&A, Help & Troubleshooting > [[FAQ][HELP THREAD][GUIDES LIST] Ask Any Question for S6
Hope this helps, and good luck!

[Completed] International Roaming: Can't connect to any mobile networks. LG G3 D850 in Korea & JP

International Roaming: Can't connect to any mobile networks. LG G3 D850 in Korea & JP
Hi,
I'm traveling in Korea and Japan with an unlocked AT&T LG G3 (D850) and I'm not able to get any phone or data service at all. My service provider is T-Mobile back in the USA and I've traveled with them before on my previous LG G2 with no problems.
Many network operators show up when I search, but they either have a lock icon next to them or it says "can't connect to this network right now". I've tried setting the mode to LTE, 3G, and 2G.
I've also tried entering the foreign network's APN settings and entering in T-Mobile's roaming APN as shown here: http://forum.xda-developers.com/tmobile-lg-g3/help/international-roaming-g3-t2834451
I thought it might be a ROM issue (I was on CM 13), so I flashed the original 4.4.2 AT&T firmware .TOT.
I don't know what else to do :/ Hopefully someone can help?

XDA Visitor said:
Hi,
I'm traveling in Korea and Japan with an unlocked AT&T LG G3 (D850) and I'm not able to get any phone or data service at all. My service provider is T-Mobile back in the USA and I've traveled with them before on my previous LG G2 with no problems.
Many network operators show up when I search, but they either have a lock icon next to them or it says "can't connect to this network right now". I've tried setting the mode to LTE, 3G, and 2G.
I've also tried entering the foreign network's APN settings and entering in T-Mobile's roaming APN as shown here: http://forum.xda-developers.com/tmobile-lg-g3/help/international-roaming-g3-t2834451
I thought it might be a ROM issue (I was on CM 13), so I flashed the original 4.4.2 AT&T firmware .TOT.
I don't know what else to do :/ Hopefully someone can help?
Click to expand...
Click to collapse
Hi and welcome to XDA.
Your device has a dedicated forum here:
> AT&T LG G3 > AT&T G3 Q&A, Help & Troubleshooting
All questions regarding your device belong in the forum linked above. You'll need to create an account first so you can post in the main forums.
Good luck

[Completed] Samsung SM-W2017 China Telecom Flip Phone help using it outside China!

Hey all,
I received this beautiful samsung flip phone designed inspired from yesteryear as a gift from a good mate in China:
http://www.samsung.com/cn/smartphones/samsung-w2017/SM-W2017ZKYCTC/ [use Google Translate - see specifications more for supported GSM bands (a lot of them are AU compatible) but then goes to say phone only works in China, Macao, HK and Taiwan!]
I'm in Australia but I'm finding that out of the two SIM CARD slots. Slot 1 (4G LTE) does not work and a message pops up saying 'It's detected that your inserted card doesn't match the terminal. Please replace it with a China Telecom 4G user card in time'. Slot 2 works fine (but only 2G service!!) which is pretty useless.
Any chance any of you can point me to a solution? My friend tells me the store never provided any prior notice that the phone was locked to the China Telecom telco, simple the GSM frequency bands. Are there any XDA guru's who can cook an unlocked ROM for this phone as it's only released/sold out of China...
Any help, greatly appreciated - would hate to send this back!!!!

Anybody....? Really lovin' this phone, but would be AWESOME if anyone can help me unlock it's 3G/4G SIM Slot 1! I've been liaising with this sim-unlock.net site, are they trustworthy and can do the job? Clearly told them phone is not asking for any unlock code, just doesn't accept non-China Telecom SIM cards for sim slot 1.

tribestar said:
Hey all,
I received this beautiful samsung flip phone designed inspired from yesteryear as a gift from a good mate in China:
http://www.samsung.com/cn/smartphones/samsung-w2017/SM-W2017ZKYCTC/ [use Google Translate - see specifications more for supported GSM bands (a lot of them are AU compatible) but then goes to say phone only works in China, Macao, HK and Taiwan!]
I'm in Australia but I'm finding that out of the two SIM CARD slots. Slot 1 (4G LTE) does not work and a message pops up saying 'It's detected that your inserted card doesn't match the terminal. Please replace it with a China Telecom 4G user card in time'. Slot 2 works fine (but only 2G service!!) which is pretty useless.
Any chance any of you can point me to a solution? My friend tells me the store never provided any prior notice that the phone was locked to the China Telecom telco, simple the GSM frequency bands. Are there any XDA guru's who can cook an unlocked ROM for this phone as it's only released/sold out of China...
Any help, greatly appreciated - would hate to send this back!!!!
Click to expand...
Click to collapse
Greetings and welcome to assist. Unfortunately I don't know of anyway to carrier unlock samsung phones without either going to the original carrier or a third party unlocking service. The second sim for 2g is normal in china, they have one sim for calls (2g) and one for data (4g)
Regards
Sawdoctor

Any third party unlocking service that you know will do the job? I really need to get the 4g slot working to make the phone worhtwhile using!