18 ResultsMost relevantThe Signal Booster DUO (Band 12) is made of UNOBTANIUMI contacted T-Force who did some research and discovered that the Booster Duo that covers Band 12 and announced in a massive press release has been 'out-of-stock" since late December with no r...SolvedView results from repliesBooster for my residenceI discussed my issue with an T-Mobile person. I was only getting two bars on my phone at home! I was to contact T-Mobile and ask for a Booster! I asked if this would cost me? No it is free!How do you return a RS3 Duo+ Rainier Signal Booster A?I’ve been in possession of my signal booster since 2019 and I’m ready to part with it. Can I just return it to any T-Mobile store, or do I have to ship it back? It’s been so long and I don’t r...Signal Booster and still issuesI purchased a signal booster for my home since our signal has gone down considerably since getting the service. Result: cell signal has jumped considerably, but the wifi module is still on weak... A...Replacement for 4G LTE signal booster?We’ve had a 4G LTE window unit signal booster for a few years but the actual unit died. I see it has been discontinued. Is there anything similar that can improve our overall home signal? Our n...View results from repliesSignal Booster for Sprint ClientsI used to use Sprint’s Magic Box Gen 3 as a signal booster as I live in a rural area and the reception is very poor. Since T-Mobile took over Sprint, they discontinued the Magic Box in March which l...SolvedView results from repliesTmobile Home Internet with Tmobile Cellspot...n my house as there is hardly any to no signal within the house to use our phones. We have wifi calling and everything enabled and it just didn't work at all, but the cellspot worked great. The issue i...View results from repliesSignal BoosterDon't waste your time getting a Signal Booster. After 2 months of trying to connect the Signal Booster/Cell Spot device, I finally got a Tech that knew what he was doing; an American. Go to y...Poor 4g lte coverage at my home Peoria, IL 61615I have been with T-Mobile since the mid of 2017. I have started using a signal booster from mid of 2018. My device is Iphone 8 plus which supports 4G LTE with ease. Lately, the signal strength i...Signal Booster Not WorkingI recently switched service on one of my two lines from T-Mobile to another carrier. When I switched, my 4G LTE Signal Booster stopped working. The power and internet lights are f...