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+ +## Phone Cleanup and Prep + +a. On RC phone: if needed, select Settings/Accounts/Google/select/3 dots/Remove account/confirm. Repeat for any other accounts. Also remove any non-FTC apps/games that might run in the background or attempt updates. + +b. On RC phone: force quit (swipe away) all apps, including FTC app. + +c. RC phone, Apps/Settings/Wi-Fi. Manually select and Forget any saved Networks. + +d. RC phone, still in WiFi menu: navigate to Wi-Fi Direct menu (via More Settings or Advanced). + +- d1. Select and forget/disconnect any connections with Peer Devices, including the current FTC phone pairing. This may take a few tries; OK to give up if disconnect not acknowledged. + - If the top item shows 'Created Group', Disconnect it. + - If you inadvertently create an Invitation pop-up on the other phone, Decline on the other phone and Cancel on this phone. In rare cases, the Invite prompt is underneath any open windows on the RC phone. + - Pairing will be done later in the apps; see below. +- d2. Select and Forget all Remembered Groups, including any FTC phone pairings. (This can also be done from Advanced RC Settings from either FTC app.) + Your goal after steps d1 and d2: 'Not visible', no 'Peer devices', no 'Remembered groups'. + +- d3. If needed, Rename/Configure phone now to legal name, e.g. 12345-A-RC or 12345-RC. (This can also be done from Settings in each FTC app.) + +- d4. Optional for Moto phones only: Configure device/Limit 2 devices, 'Inactivity timeout' Never, check box 'Auto connect remembered groups'. (Note: timeout is not persistent, re-check occasionally.) + +e. Force quit to device home screen. Swipe down twice from top, do this in order: +- Airplane Mode ON +- Wi-Fi ON (usually toggles off when Airplane Mode is turned on), then Done +- Bluetooth OFF +- Location OFF, only for Android 6.x or 7.x + +f. repeat above steps on DS phone. + +[
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+ +## Pairing + +1. On RC phone: open the current season's RC app (now 7.0 or 7.1). Check Self Inspect for any RC issues. + +2. On DS phone: open the current season's DS app (now 7.0, 7.0.1 or 7.1). Check Self Inspect for any DS issues. + +3. On DS phone: Menu (3 dots)/Settings. Confirm 'Pairing Method' is Wi-Fi Direct. Open 'Pair with Robot Controller'. (Do not pair using phone/Android menu.) + +4. Filter can remain on, be patient and wait for the app to find the matching device. Or turn off Filter to see all devices within a few seconds. Choose the corresponding RC phone, touch Back, and Back again to return to the DS home screen. + +5. Look at RC phone, accept the Invitation there. In rare cases, the Invite prompt is underneath any open windows on the RC phone. Pairing will happen within seconds. + +[
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+ +## Summary + +The above procedure may seem long, but it covers conditions that should not have been present in the first place. Going forward, pairing will be **fast and reliable -- usually automatic**. + +[
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+ +============= + +Questions, comments and corrections to westsiderobotics@verizon.net