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    Cornerstone Marketing Concepts

    1.0 (1 review)
    Closed • 10:00 am - 7:00 pm

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    Abba Tv Repair Service - Tv

    Abba Tv Repair Service

    (72 reviews)

    Fix 75 inch TV I…read morecan't recommend David enough 7 stars really Reliable prompt communication,and punctual, Very knowledgeable and great experience, Came in for a free estimate to fix a 75 inch TV Screen, scheduled for service with a very good price. Service was done very efficiently , professionally and mission impossible accomplished. Thank you David

    David at ABBA Systems is the real deal…read more I have a Sony XBR-75Z9F (75" Master Series) that suddenly went completely black. Multiple shops either told me it wasn't fixable, parts were impossible to get, or that it wasn't worth the effort because of how complex this TV is. David was the only one who stepped up and actually took the time to diagnose it properly. Instead of guessing or pushing a replacement, he identified the real issue and repaired it at the component level (T-Con / buffer board)--something most places won't even attempt. He had everything fixed and back to me in less than a week, and now the TV works perfectly again. Communication was excellent the entire time and quick responses, clear updates and he followed through exactly as promised. On top of that, he's just a genuinely nice, honest guy who clearly knows what he's doing, especially with high-end TVs. You can tell he takes pride in his work and doesn't cut corners. Hopefully I don't have another broken TV anytime soon, but if I do, there's no question I'm going straight back to David. If you're dealing with something other shops won't touch, or even something that is a regular job, this is your guy.

    Cheapest iPhone Repair

    Cheapest iPhone Repair

    (1.2k reviews)

    I am clumsy! Within a few months of getting my iPhone, I dropped it HARD from a high distance and…read morecracked the screen even though I had both a case and screen protector on it. Fast forward to a few years later and I again dropped it hard. This time, the entire back glass was cracked and I thought my phone was a goner. I contacted my provider and because of the damage, they said an upgrade would cost me $850+ all the fees/taxes. The agent actually suggested trying to get it fixed, which I was unaware was possible. I called CIR and they said since the camera lenses were intact, it would be $110. Jose worked on it for me. When I went to pick it up, he explained to me how he fixed it. I showed up with a new case and he put it on for me. Jose is professional, thorough, and is a nice young man. Everyone I have spoken and worked with at CIR provides knowledgeable and courteous service. Thank you for saving me not only hundreds of dollars, but also my data that sometimes doesn't get backed up and under gets lost when upgrading to a new phone. CIR is my go to electronics repair business - highly recommended!

    1 Star Extremely…read moredisappointing experience with CIR in Cerritos. I brought my phone in for a battery-related repair. The phone was fully functional when I dropped it off, and I was told there would be a delay because the replacement battery was coming from the East Coast. The repair was delayed for several days with little to no communication or meaningful updates. After receiving the battery, they disassembled my phone and later informed me that the phone was no longer functioning because there was now an issue with the board. I walked into this business with a working phone and left with what amounts to a paperweight. Even worse, I am now unable to retrieve any of the information or data from the phone. Regardless of what they believe caused the board issue, the fact remains that the phone was operational when I turned it over to them and completely nonfunctional after their repair attempt. The lack of communication, extended delays, and the condition in which my phone was returned are unacceptable. Based on my experience, I cannot recommend CIR Cerritos for phone repairs.

    Cornerstone Marketing Concepts - televisionserviceproviders - Updated October 2026

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