It is not possible to unset { -brand-short-name } as the default client within { -brand-short-name }. To make another application the default you must use its 'Set as default' dialog.
{ -brand-short-name } dasturini { -brand-short-name } ichidagi asosiy mijoz sifatida bekor qilib bo‘lmaydi. Boshqa ilova dasturni asosiy sifatida o‘rnatish uchun uning "Asosiy sifatida o‘rnatish" oynasidan foydalanishingiz kerak.