Medabots S Download and First-Time Setup Guide

To play Medabots S outside Japan, download the client through a third-party store such as QooApp or a verified APK source, complete the in-game asset download, and clear the mandatory Story Mode prologue battle. Finishing this tutorial sequence unlocks the main home menu, customization screens, and gacha banners.

Downloading and Installing the Client

Medabots S is region-locked to the Japanese Google Play Store and iOS App Store. Android and emulator players must source the package outside regional store channels.

Download and install a specialized third-party client such as QooApp, or locate a verified standalone APK package for Medabots S (メダロットS).
Allow your browser or file manager permission to install applications from unknown sources when prompted by your system.
Search for Medabots S in the client store and tap download, or install your downloaded APK directly.
If installing standalone APK files without a store manager, ensure the package version matches the current live game build. An outdated file will stall at the title screen or direct you to the Japanese Google Play Store.

Managing Storage and Initial Data Downloads

The base installation file does not include complete game assets. Launching the game initiates a secondary download for 3D character models, sound files, and combat animations.

Clear at least 4 to 6 GB of internal device storage before opening the application to accommodate the unpacked game files.
Run the first launch over a stable Wi-Fi connection.
Keep the game open in the foreground throughout the download. Backgrounding the app or dropping network connectivity can cause the progress bar to freeze or reset to 0%.
If the download stalls entirely, close the application, confirm your remaining internal storage, and relaunch the client from the title screen.

Navigating the Japanese Agreement Prompts and Setup

Medabots S operates exclusively with Japanese text. You must clear two mandatory onboarding prompts after the asset download finishes.

Step	Screen Prompt	Action
Terms of Service	利用規約 popup	Tap the right-hand highlighted button to accept. Tapping the left-hand grey button declines and returns to the title screen.
Player Name	プレイヤー名 input	Enter your desired username using standard alphanumeric characters or romanized text, then tap confirm.

Your player name can be edited later through the in-game player settings menu.

Clearing the Story Mode Prologue

After confirming your name, Medabots S automatically launches the Story Mode prologue introducing Arase and his partner Medabot, Crossmessiah.

Skip Narrative Scenes: Tap the top-right corner of the display to access the dialogue controls, then select スキップ (Skip) to bypass story scenes without losing early-game rewards.
Execute Tutorial Commands: The game transitions directly into a scripted 3v3 tutorial Robottle. Tap the highlighted prompts to select actions from your Head, Right Arm, or Left Arm parts.
Advance to the Center Line: Units advance toward the center command line based on their parts' movement speed before firing.
Reach the Home Screen: Follow the scripted attacks until all enemy robot parts are destroyed. Victory completes the tutorial phase and unlocks the main interface.

Updating the App and Troubleshooting Launch Errors

Because the game is installed outside standard regional stores, future app version updates require manual installation.

Handling Version Updates: When a mandatory version update arrives, do not uninstall the client, or you risk deleting your local save data before linking your account ID. Instead, open QooApp or your APK installer, locate Medabots S, and select Update to overwrite the app build.
Clearing Corrupted Data: If the game crashes on startup or encounters authentication errors after a patch, tap the wrench or gear icon on the top corner of the title screen. Select キャッシュクリア (Clear Cache) to remove corrupted temporary files and re-download damaged assets without wiping your account.