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"Brilliant. Codes were delivered in 35 minutes and worked first time. Also provided was a MCK code, which I think will help if you have input the wrong code too many times - I did not need that though, and the NCK code worked straight away. Glad I chose these guys, slightly more expensive than some ebay sellers but I wanted hassle-free and I got it."
"had a few issues with the payment system and credits as apposed to a more direct system. I sent a query e-mail and was promptly responded to and my problem resolved.."
"Amazing!!! Thank you! I tried elsewhere and paid more with a delay in response and still no luck.With these guys I had a my phone sorted within half an hour and fantastic price!! Thanks again, AWESOME!!!"
"All went well, fast service through USB, no problem whatsoever, surely recommend it!!"
"Success !! At first the codes did not work on my Samsung Galaxy S3 acquired in the UK, Wrote to FastGSM and got new instructions for unlocking, support was fast and corteus, the final receipe (hard reset + MCK code + RGCK code) did in fact unlock my phone, thanks FastGSM !!"
"Don't work for me. It apears "unable to unlock SIM service provider""
"I just unlocked my S7560MXXXX phone at FastGSM.com via usb, and it is the best price around"
"i was a bit skeptical about this but after figuring a few things out i did it really not that hard and if u do need help they will respond im very very happy with my purchase :) ty so much 15$ beats paying 20+ for someone else to do it"
"J'ai tenté FastGSM sans vraiment y croire, quitte à perdre 23,50€ pour mon Samsung Wave Y GT-S5380 qui était en mode Freeze après plusieurs tentatives infructueuses de désimlockage. Et bien je suis plus que surpris de l'efficacité et la rapidité d'éxecution. Ca a fonctionné du premier coup dès réception des Unlocks Codes.Je recommande."
"Very good service, they unlocked my Telcel samsung S4 that was just impossible to do for others. I've saved about 500 usd since i was considering to change my phone. "
"I tried another service that uses the IMEI method for $35, but it did not work. So when I found fastGSM, I first emailed them and asked if they can unlock my Japanese phone. These guys stated that they have another method available that should work. I was skeptical but decided to give it a try because I had no other choice. After a few email messages traded back and forth with the support guy, I finally did it! Thank you so much for your help."
"I came accross this service through the internet. It was the lowest price I have found.I wanted to unlock an Alcatel OneTouch Mpop brought from another country.The process was not easy, as I could not find one of the requested parameters, nad so they could not help me.First they have refund my money, and the support sevice has explained the reason why they cannot help me.Later, once I figured out the missing data, they returned to help me and the unlock was succesful.The service looks fast if everything goes OK, however if soemthing is missing and you need to contact the customer service, it might take up to few hours to get the answers. But their customer service is patient and excelent."
"Very good job. Fast and it work perfectly. They are really recommended."
"After reading the reviews from this site for FastGSM, i bought their service for unlocking of the iPhone 4. Unfortunately, they are not able to unlock my phone till now and they are giving me a lame excuse that there is some problem with my hardware(iPhone). STRANGE. I have not manufactured iphone at home :-). After stressing they told me we are looking into the matter. I have sent 100's of reminders and now no response as if this company is shut down. I suggest to the readers, this can happen to you as well. Its better to spend more money and go to company stores to buy services. Its harassment by FastGSM after paying them the money. If the reviews really matters to FastGSM, then resolve my problem(TLK-219-33292) and i am happy to change my reviews. Otherwise please arrange to refund the amount."
"I have a Samsung gt-s8500, when I insert a different network SIM card "Phone Freeze" message appears. I paid, did everything on the video instructions, and got unlock codes. After 5 minutes, I have completely unlocked phone.You are the best! Thank you!"