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Xfinity

3.0 (9 reviews)
Open • 10:00 am - 7:00 pm
Updated 2 weeks ago

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3 months ago

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19 days ago

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7 months ago

Don't make an appt they don't honor them anyways. Waited in line with a line of others when I had an appt. Not thrilled about that.

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4 months ago

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1 year ago

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3 months ago

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7 months ago

I only have internet with them and it's not the best at keeping the internet service stable. It's good when it consistently works.

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8 months ago

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1 year ago

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Sail Internet - We're thrilled to be voted a Neighborhood FAVE for another year. Discover how Sail does things differently than Big Cable.

Sail Internet

(197 reviews)

North San Jose

They took over a well-oiled machine from Paxio and turned it into a fickle jalopy of internet…read moreservice. I never had this much downtime and maintenance from Paxio. The disruptions are frequent and too many times have made my home server unreachable while traveling. Most of the time the service resumes, but on occasion I've had to have a neighbor or relative enter my home and reset the connection for me. Super effing inconvenient! Also, there is no roadmap for connections faster than 1 Gigabit, even while even more worthless competitors like Xfinity and AT&T offer 2.5 and even 5 Gigabit. And lastly, they increased their rates a few months ago. They offered a discount if you paid for a year in advance, but offered no way to do that online. It wasn't until I contacted customer service, that they gave me the details of how to do so: by writing a physical check and sending it to a physical address, no ACH or Credit Card options (which are available to those who pay monthly). Like, I'm boomer AF, so I still have a few checks laying around, but who else in 2025 still has a checkbook? When it works, I'm grateful, but internet service is binary. I just need it to work. Always. And it doesn't. End of story.

Been with Sail for 5+ years now. I'm getting the advertised speed and reliable service. They do…read morescheduled maintenance once in a while, but it's very late night and hasn't been a big deal. I kept hoping one of those updates would mean a speed bump, but not yet. I did see another review where someone mentioned almost 1 Gbps up and down -- guessing that's not residential. Would be nice if those speeds made it over here.

Xfinity

Xfinity

(6 reviews)

I've never felt so frustrated and helpless after a purchase. I bought a trade-in iPhone from this…read morestore, expecting a smooth process. Instead, I ended up paying the full price for a new phone and losing my old phone in the process. The store gave me a mailing label to send back my old phone, which I used--just one week late. I checked, and the phone was delivered. But I never received my trade-in credit. When I called customer service, they assured me the delay wasn't an issue because the return window had been extended. But the problem was, they claimed my phone never showed up in the warehouse. At this point, I believe the mailing label I received from the store may have been incorrect. Yet no one took responsibility. Xfinity customer service told me that this store (Las Positas Xfinity) is a third-party vendor and not part of the official Xfinity network--so they couldn't help me. They also mentioned the store failed to properly mark my purchase as a trade-in when I picked up the phone. The store, in turn, kept repeating that it wasn't their problem. In the end, both the store and Xfinity washed their hands of the situation. And I was left paying for two iPhones--one I no longer have. This experience has been incredibly disappointing, both financially and emotionally. Please, save yourself the heartache and do not buy any device from this store. They take no accountability for their mistakes, and you'll be the one left to pay the price.

Returned my router and was never imputed that I returned it. Went back to the store and out of 5…read morepeople, they could not help me. Asked for a manager and they said he was busy to just wait. I waited over 25 minutes and he never came out. I had an appointment in Dublin, CA and finally had to leave. Still getting messages to return my equipment. Also switched over to the NOW pre-paid program for internet. They sent me a router that was filthy and had a dead cockroach in it. When I went to the Livermore store they took it back along with my current router and gave me another router which was the same as the one I was turning in. It was the wrong router and didn't work. I had to go to the Dublin store to return the wrong one. Finally had Comcast service came to my house. His name, I think was Sam. He was wonderful and got me the correct router to use for the Now service. Also informed me about the NOW program that no one else knew anything about. My son & I are switching from T-Mobile to Xfinity for our phone service and it's been Hell!!!! I do Not recommend Xfinity Comcast.

Sonic - Sonic is bringing fiber internet to Berkeley and beyond.

Sonic

(4k reviews)

For starters this review would have been a 1-2 star review had it not been for the last tech that…read morewas sent out, Karina T. Another tech by the name of Kokob was also great. I was having issues my first 2weeks having consistent dropped connections and no service at times. I couldn't switch back to my previous provider because the line was cut! Three or 4 techs later Karina shows up. I explained all the trouble we were having and she assured me that she'd take care of it. Karina was very friendly and professional explaining everything she was doing. Two months later, my family and I are happy with the service. There is occasional buffering but for the most part solid service! Thank you again Karina, you did your thing! Give that lady a raise for going above and beyond! Raphael J Monrovia

Let me start by saying I've been a Sonic customer in few diffrent locations. From Brisbane CA. to…read moreSF and Vallejo Ca. and so point in between. So what to tell you ,I have never been disappointed with Sonic from the office support to field techs its been amazing ride. Like a great many of you I want someone who I can speak with and not have repeat myself 5 times that's not going to happen at Sonic. And on the other hand I don't want the run around. And I have never had that with Sonic. Now let's be clear sadly Sonic is not in every locations but good news its they are growing thank God. Why do I say that ? you can't beat the cost. like I said I've been with them a good while and there has only been one raise and still there cost is low. I've gotten a few friends to jump on this with me and they are happy and why not, low cost great service people who are really nice when you call and ask about something no hanging on the line for 20 minutes. Okay I'm going to stop now. Remember this I always try to respect the person on the other side and in return we both win. Let shut this down by saying go on line and see when they are planing to come to your area. Trust me you will not be disappointed. No, I don't sales use cars I just like nice people and a company that take care of it's people that works for me. That a reason to support in my book.

Xfinity - mobilephones - Updated May 2026

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