We're sorry to hear about this. You should change your Firefox Account password, and look for information from your device manufacturer about erasing your data remotely.
Tha sinn duilich an naidheachd seo a chluinntinn. Bu chòir dhut facal-faire a’ chunntais Firefox atharrachadh agus fiosrachadh a lorg aig saothraiche an uidheim agad a dh’innseas dhut mar a sguabas tu às an dàta agad o chèin.