3910 4919 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

3910 4919 often repeats sales invites without clear identification, which is why many users read it as a common unidentified caller. Even if the caller knows part of your information, it is safer not to commit during the call. In the available reports, 3910 4919 usually focuses on 推銷 related promotions or checks.

社群回報顯示 3910 4919 多以說法模糊的產品或服務推廣作招徠，屬偏負面的不明推銷來電。 即使對方能說出部分個人資料，也不應在通話中立即作出承諾。 回報資料中，3910 4919 的目的多與 推銷 推廣或核實有關。

What to do / 應對方法

Do not return calls to unknown numbers. If you did not expect this call, it is best to ignore it. You can block this number on your phone.
不要回撥陌生號碼。如果你沒有預期此來電，最好忽略它。你可以在手機上封鎖此號碼。

How to block / 如何封鎖

iPhone: Settings → Phone → Blocked Contacts → Add New.
Android: Recent Calls → tap the number → Block / Report spam.