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Before game day

Make your phone behave.

Ten minutes at home beats a dead dot mid-game. Android ships with your dot's three natural enemies - permission prompts, battery 'optimizers' and app sleep - and every brand hides them somewhere else. This is the whole checklist.

Step one

The two permissions that matter.

  1. Location: all the time, precise

    Settings > Apps > Phalanx > Permissions > Location - pick 'Allow all the time' and keep Precise location on. 'While using the app' freezes your dot the moment the screen sleeps.

  2. Camera: while using

    Only for the QR join - 'While using the app' is exactly right. Phalanx never touches it outside the scanner.

  3. Notifications: on

    The persistent notification during a game is proof your dot is broadcasting. No notification means no broadcast - don't silence the one warning light you have.

Step two

Whitelist Phalanx from the battery police.

Every Android brand ships an 'optimizer' that kills background apps to flatter its battery stats. Phalanx runs a foreground service - the polite, documented way to share position - and aggressive phones kill it anyway. Whitelist it once and it stays whitelisted:

  • SamsungSettings > Apps > Phalanx > Battery > Unrestricted. Then Settings > Device care > Battery > Background usage limits - Phalanx must NOT be in Sleeping or Deep sleeping apps; add it to Never sleeping apps.
  • XiaomiSettings > Apps > Manage apps > Phalanx - Battery saver: No restrictions, Autostart: on.
  • HuaweiSettings > Battery > App launch > Phalanx - switch to Manage manually, all three toggles on.
  • Pixel / stockSettings > Apps > Phalanx > App battery usage > Unrestricted.

And on every phone: don't swipe Phalanx out of recent apps mid-game - that kills the service no matter what you whitelisted.

// your brand not here? dontkillmyapp.com documents every vendor's traps

The other phone

iPhone? On the way.

The beta is Android-only for now, but the app is cross-platform underneath and the iOS build already compiles - what's left is Apple's paperwork and a device pass. If your whole team is on iPhones, follow the field test and we'll tell you the moment it lands.