Buzzer by OnCall app for iPhone and iPad

Buzzer is a brand from OnCall Services Limited, which operates out of Hong Kong as it HQ. It was founded by people who have seen the origin of Internet and sailed through its evolution. Every BUZZER team member representing the Service team is a Technical Pro, a BUZZER adept in Tools and Technology of this Industry.

We are here to help you trouble shoot any problem in your Computer, Smartphone, Tablet or Network. Buzz us! we will be at your Home or Workplace to fix your device. Stay assured; your device is in trustworthy hands, the privacy and safety of your personal data will be protected. Whats more? Worried if the problem might recur, just dont worry, we provide a 7-day After Service Support and a Money Back Guarantee.

You don’t have to wait in a line or wait till the shop assistant helps you with your purchases.You can shop your IT consumable products online at ease.

You can Buzz us any time through our Website, Mobile App, Hotline or Whatsapp to enjoy High Quality IT service at a Fixed price.

Buzzer是OnCall服務有限公司旗下品牌，以香港為業務總部。OnCall由一群資深科技專才創辦，他們見證了互聯網的誕生，並經歷電腦通訊科技的不斷演進。他們累積多年的經驗及技術，造就了Buzzer的品牌價值。而代表Buzzer管理及服務團隊的每一位技術專員，都精通業內的最新科技。

Buzzer隨時上門為你解決各種電腦、手提電話、平板電腦及網絡問題。你不用再費心將電腦設備親自送往維修公司，因為我們的會上門到你的家或辦公室即場幫你維修。你亦無須擔心個人資料安全，因為每一位Buzzer技術專員都有責任保障客戶的私隱。另外，Buzzer更提供更安心的7日免費跟進及退款保證。

你亦無需在店排隊等候維修或購買產品。你可在Buzzer的Buzz商店輕鬆購物。

你可以通過網站、手機app、熱線或whatsapp 預約 Buzzer，享受一Buzz即覆，劃一收費的高質IT服務。