That's safer than the dd approach (in terms of not accidentally destroying things). And if you're really concerned about remaining data blocks being recoverable by experts: encrypt your device before wiping. flash the ROM), most of the data will be overwritten anyway. However, cookies can also be used to track your. They are used to remember your preferences, login information, and other details to enhance your browsing and app experience. Note: As therealjayvi correctly pointed out, those "wipes" wont really destroy all data (forensic experts will still be able to recover) – but I guess you won't need that anyway: as soon as you install the "fresh Android" (i.e. Answer (1 of 4): Cookies are small text files that are created and stored on your device by websites and apps that you use. You will need a custom recovery such as twrp or clockworkmod-recovery, where you can explicitly select which partitions to "wipe" (including /system). Second, for a "clean start", it is possible to "wipe" all mentioned partitions – but usually not with the stock features of Android devices. Can I install a ROM made for a different device and Why are there not generic phone OS installers?) This command will assuredly destroy all data on the phone and prevent all but the most technically savvy recovery specialist from being able to find any usable data.īut if all your looking to do is to start fresh with a clean OS and you're not concerned about data recovery then you can simply do a factory reset via settings menu (remove Google account first!), via recovery menu (remove Google account first!), or if you have/are able to have an unlocked bootloader then you can manually flash the stock firmware via fastboot.įirst, for reinstalling you'll need a ROM specifically matching your device (there's no such thing as a "generic installer" for Android, see e.g. WARNING, DO NOT ATTEMPT THIS COMMAND UNLESS YOU KNOW ABSOLUTELY WHAT IT MEANS Then just open up an ADB terminal on the device and issue the following command as root: If your goal is complete eradication of all data on your phone (though I'd wonder why lol), then you absolutely have to have root permissions, and I'd recommend a full partition map for your device. Any data recovery specialist will claim otherwise though, since data can most always be recovered. Formatting a hard drive on a desktop computer (depending on quick or full format) effectively writes 0s to all (or at least enough) memory addresses to where the drive will assume it's been wiped clean.
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