MOST SIM - T-Mobile SIM Card for USA, Canada and Mexico, High Speed Data and Unlimited Calls/Texts - 30 Days

I am on a journey from New York to Maine then Quebec followed by Ottawa and finally returning to New York. I received my telephone number, as promised, 24 hours prior to leaving the UK. On arrival in New York everything worked well. Both data and phone calls were easy to use. However, I had WiFi in my hotel so didn’t really need the service. I then drove North to Rockport. From here there was no signal for phone calls or data. I assumed that it was because I was near the coast and poor reception. I am currently in Quebec. I can make calls, although I don’t need to. Unfortunately there is no data. This is what I really need for things like train times etc. I have had to use WiFi in restaurants, which isn’t ideal because as soon as you are out of range it loses connection. I have 3 ‘children’ ( all over 18) who I would like to be able to contact via email at any time. Unfortunately I assumed this SIM card would allow this. I have tried contacting the seller but had no reply. It is not simply a case of wanting a refund, I would prefer to have the service I was expecting to receive. I accept that I am not as tech savvy as my kids but do have a degree in electronics. I have gone through all the network checks and data roaming options. I would not advise anyone to purchase this card and expect to be in contact with the UK if you are travelling outside of New York.Next day...It has worked for a short time in the morning. Most Sim have been good with communication, however none of their suggestions has worked. We get used to good mobile coverage in the uk and unfortunately it isn’t always matched abroad due to the size of the areas covered. I think this should be explained when the product is advertised. It hasn’t been operating correctly today in the centre of Quebec.

I was a little apprehensive about buying this kind of prepay sim.Register online before you go follow the simple instruction enter the date and time when you arrive. If you have a dual sim make sure you get the right IMEI each slot is different.AND make sure your phone has Global systems enabled we bought a Chinese Umidigi from Amazon and it worked fine, make sure the phone is advertised as Global. The mobile phone systems in Europe and the states are completely different, don't expect an EU phone to work.When we landed the phone worked straight away perfect.Coverage between town is sparce the US is a big place very tone we visited had coverage.Traveled into Canada and it worked perfectly to.Simple don't go on holiday to the states without one.

This sim card is a must if travelling to the States and Canada as data, text and call charges are astronomical unless u use free WiFi. Really easy to set up a few days before u fly fly out - pop the sim in Ur phone and away you go. No drop outs, constantly good speed - cant recommend this company sim enough as the speed was even better than the hotel WiFi for browsing and streaming - will definitely buy again. We used the data constantly for Google maps etc. Also used the data to ring home to the UK and facetime using wots app or messenger as the sim can't be used to ring home to UK landlines or mobiles

I bought this T-Mobile SIM Card for my spare (LG G6) phone for our holiday in Mexico. We covered quite a large area of the country, including Oaxaca, Puebla, Mexico City, Merida, Chichen Itza and Tulum. Generally speaking the mobile phone coverage in Mexico is quite good and this SIM Card worked flawlessly. I was able to make phone calls to Mexican numbers to book restaurants etc., use whatsapp and send/receive e-mails. I also bought the AT&T cards from Mostsim for our main phones and they worked OK too. Registering and activating worked perfectly tyoo.

The main choice in this area is either AT&T or T-Mobile, You can compare maps on their websites regarding coverage. city and town centres are on par with each other - AT&T has the edge in more rural areas, we drove up US Highway 1 - the coverage was limited but the scenery was a perfect counter, as soon as we arrived in a town things took a turn for the better for kids tethered to the main iPhone.It is important to note that information as regards how it fits in an overseas phone is scace with lots of information about backing up and default resets, I ignored all of that and placed the sim in the phone very briefly before I left and then turned it on as soon as we hit the black stuff in the US. The phone assumed the new number and easily sorted out that I had a new number - It synced my WhatsApp and sent my contacts information about the new number - everything worked well, remember to NOT call overseas numbers once you are in the states - WhatsApp calls are fine and also FaceTime if you have it. On returning home I switched the sims and my phone was back to my home number and everything settled week, Thank you Most Sim - you met a price point and performed well - Will recommend to others ;-)

You have to register your IMEI on their website and specify the dates in advance. No great problem. If you've got a dual-SIM phone (like mine) make sure it's the correct IMEI you add.You can't make international calls on it unfortunately but FB Messenger and WhatsApp calls are a simple substitute.Registered immediately on arrival in Canada. Data speeds were good and I used 4.5Gb mostly in Canada with no throttling. A lot cheaper than paying £6 per Mb (£50 vs £27,000) in data roaming charges. Go figure!

Used it for my trip to Mexico with rental car.Mobile Carrier in Mexico was mainly Telcel with good coverage.4G connection in city and town area.Important: Follow the instruction mail you will receive after purchasing and don’t forget to register your SIMcard online to activate your SIM.A minor problem is that you might get couple of calls and text message from a US lines, due to reuse of phone numbers(I guess).

I bought this sim for my wife to use whilst we were on holiday but in Canada. I searched in quite a few places to find a good deal and thus was the best I could find. Not cheap (but cheaper then the alternatives I could find), this sim was great for WhatsApp and internet usage. We visited Toronto, Quebec City and Niagara. Everywhere had good coverage.