LINE Block Checker

October 15, 2026 — by bob

If LINE still opens on your phone, you don't need your old password. Go to Home › Settings › Account › Password and set a new one. If you never registered an email address, you do that on the same screen. Includes a one-tap link to LINE's Account settings and what to do when you've switched phones.

July 3, 2026 — by bob

Before using LINE Block Checker's one-tap LINE sign-in, you need to install a login certificate (an iOS configuration profile) on your iPhone. This guide walks you through all four steps with full screenshots — download the profile, install it, enable Certificate Trust Settings, and sign in again.

May 7, 2026 — by bob

Which LINE block checker app actually works? The market is smaller than people think — only one real app does batch detection (LINE Block Checker) plus three classic manual methods. We score all four on the same criteria — accuracy, speed, cost, footprint — so you know which one fits your situation.

May 6, 2026 — by bob

Want to unblock someone on LINE? You can only unblock contacts you blocked yourself — if they blocked you, there's nothing on your side that lifts it. This post walks through the iOS and Android unblock steps, whether messages from the block period get redelivered, and whether the other person knows you ever blocked them.

May 6, 2026 — by bob

Sending a paid sticker as a gift is the most-shared LINE block detection trick. This post explains why it works (why the system says they 'already own' it), the full step-by-step, 3 scenarios where it gives a false positive, and why it only scales to 1–2 contacts before you need an app.

May 6, 2026 — by bob

LINE block and delete friend look similar but work very differently — block filters messages both ways while keeping the contact in your blocked list; delete removes them from your list but they can still send messages to you (you just don't see them). Plus the practical pieces: where the Blocked List lives, what happens to chat history, and whether you can get someone back after deleting.

May 6, 2026 — by bob

When you call someone on LINE who has blocked you, their phone never rings — but on your side it still shows "calling." The decisive signal is the green phone icon in your top status bar. This post explains the call screen during a block, the 4 false-positive scenarios that look identical, and how to cross-verify for an accurate answer.

May 6, 2026 — by bob

Once someone has blocked you on LINE, there's no technical way to lift it — you can't force-cancel their block. But on the relationship side there are options — pass a message via mutuals, switch channels, give it time, or simply accept it. This post covers four approaches with their timing, risks, and how to decide whether to try.

May 5, 2026 — by bob

When you block someone on LINE, are they notified? Short answer — no, LINE explicitly says so. But there are 5 behavioral signals the blocked person can still pick up on. This post also answers the related question that gets tangled with it — if you check whether they've blocked you, will they find out?

May 5, 2026 — by bob

How can you tell if you've been blocked on LINE? LINE deliberately hides block status — messages stay unread, the avatar still loads, sending never bounces. This guide walks through 6 detection methods that still work in 2026 (call, sticker, group, profile, VOOM, one-tap app), with what each one actually proves and where they fail.

April 25, 2026 — by bob

A step-by-step walkthrough of LINE Block Checker's 5-screen flow — install, sign in, pick contacts, scan, see who blocked you. 300 friends in 5 seconds, no stickers sent, no fake groups, the other person never knows.