you can factory reset from recovery mode by following these steps.

Using the volume buttons to navigate and the power button to select:

Power off then hold Power + Volume DOWN simultaneously until the bootloader screen appears,
Use the volume DOWN button to navigate to Recovery Mode and use Power to select,
You should then see an Android lying down with chest opened,
Press Power + tap volume UP just once and immediately release both,
Use the volume DOWN button to navigate to Wipe Data/Factory Reset,
Press Power to select,
Press volume DOWN and use Power to select 'Yes',
Wait for the process to complete and then reboot the phone.

GrapheneOS, CalyxOS, LineageOS. Derrière ces noms, une même promesse: reprendre la main sur un smartphone Android dont la collecte de données s'est imposée comme norme industrielle. L'idée n'est pas neuve, mais elle revient au centre du débat à mesure que l'usage mobile devient un identifiant permanent, combinant géolocalisation, publicité ciblée,…

GrapheneOS, /e/OS, CalyxOS : quel OS mobile choisir pour reprendre le contrôle de ses données ?
https://digitechnologie.com/grapheneos-e-os-calyxos-quel-os-mobile-choisir-pour-reprendre-le-controle-de-ses-donnees/

CalyxOS ou GrapheneOS : nous comparons la confidentialité, la sécurité, microG et l’isolation de Google Play pour vous aider à choisir la ROM la plus sécurisée pour votre téléphone.

OK, so you have a GrapheneOS device, or are thinking of using one. Great first step. But just as important, is how do we get apps!? Without Google Play Store or Apple Store, we have to find an alternative app store of some sort to begin customizing our phones to what we need them to…

GrapheneOS is a security and privacy focused mobile OS with Android app compatibility.

Frequently Asked Questions
https://grapheneos.org/faq#device-support

https://threecats.com.au/degoogled-phones-australia-sale-buy-pixel-pro-android-grapheneos

Pixel New User Guide
https://threecats.com.au/degoogled-pixel-grapheneos-user-guide
https://threecats.com.au/pixel-grapheneos-phone-user-guide
https://blogduyax.madyanne.fr/2025/grapheneos-sur-pixel-6a//

Usage guide
https://grapheneos.org/usage

Web installer
https://grapheneos.org/install/web

Features overview
https://grapheneos.org/features

Frequently Asked Questions
https://grapheneos.org/faq

grapheneos-settings
https://github.com/celenityy/grapheneos-settings