{"id":366,"date":"2026-02-07T17:42:12","date_gmt":"2026-02-07T16:42:12","guid":{"rendered":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/?page_id=366"},"modified":"2026-02-07T18:18:04","modified_gmt":"2026-02-07T17:18:04","slug":"frp-v-androidu-pohled-z-urovne-root","status":"publish","type":"page","link":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/frp-v-androidu-pohled-z-urovne-root\/","title":{"rendered":"FRP v Androidu: pohled z \u00farovn\u011b root"},"content":{"rendered":"\n<p>Tento \u010dl\u00e1nek je ur\u010den <strong>v\u00fdhradn\u011b pro studijn\u00ed a vzd\u011bl\u00e1vac\u00ed \u00fa\u010dely<\/strong>. Neposkytuje n\u00e1vod k obch\u00e1zen\u00ed zabezpe\u010den\u00ed mobiln\u00edch za\u0159\u00edzen\u00ed s opera\u010dn\u00edm syst\u00e9mem Android ani konkr\u00e9tn\u00ed postupy k z\u00edsk\u00e1n\u00ed neopr\u00e1vn\u011bn\u00e9ho p\u0159\u00edstupu. Z\u00edsk\u00e1n\u00ed root opr\u00e1vn\u011bn\u00ed a p\u0159\u00edstup p\u0159es ADB zde <strong>nejsou popisov\u00e1ny<\/strong>.<\/p>\n\n\n\n<p>C\u00edlem \u010dl\u00e1nku je vysv\u011btlit principy pr\u00e1ce s FRP (Factory Reset Protection) odd\u00edlem v situaci, kdy se ji\u017e poda\u0159ilo z\u00edskat p\u0159\u00edstup k syst\u00e9mu p\u0159es ADB shell s root pr\u00e1vy na uzam\u010den\u00e9m za\u0159\u00edzen\u00ed \u2013 nap\u0159\u00edklad v r\u00e1mci testov\u00e1n\u00ed, v\u00fdvoje nebo p\u0159i pou\u017eit\u00ed intern\u00edho (engineering) softwaru.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image-2-1024x683.png\" alt=\"\" class=\"wp-image-376\" srcset=\"https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image-2-1024x683.png 1024w, https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image-2-300x200.png 300w, https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image-2-768x512.png 768w, https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image-2.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Jak to fungovalo d\u0159\u00edve<\/h3>\n\n\n\n<p>V minulosti byla situace v\u00fdrazn\u011b jednodu\u0161\u0161\u00ed. Pokud m\u011bl u\u017eivatel nebo technik k dispozici pot\u0159ebn\u00e1 opr\u00e1vn\u011bn\u00ed, bylo mo\u017en\u00e9 relativn\u011b snadno obej\u00edt \u00favodn\u00edho pr\u016fvodce nastaven\u00edm za\u0159\u00edzen\u00ed. Po jeho p\u0159esko\u010den\u00ed se dalo vstoupit p\u0159\u00edmo do syst\u00e9mov\u00e9ho nastaven\u00ed telefonu a prov\u00e9st obnoven\u00ed do tov\u00e1rn\u00edho nastaven\u00ed.<\/p>\n\n\n\n<p>B\u011bhem t\u00e9to operace do\u0161lo automaticky ke smaz\u00e1n\u00ed obsahu FRP odd\u00edlu, ve kter\u00e9m jsou ulo\u017eeny hashovan\u00e9 informace o \u00fa\u010dtu. Prakticky t\u00edm do\u0161lo k odstran\u011bn\u00ed samotn\u00e9 podstaty ochrany FRP.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Zlom s p\u0159\u00edchodem Androidu 15<\/h3>\n\n\n\n<p>S n\u00e1stupem Androidu 15 se tento p\u0159\u00edstup z\u00e1sadn\u011b zm\u011bnil. Pokud u\u017eivatel neprojde \u00favodn\u00edm pr\u016fvodcem korektn\u00edm zp\u016fsobem, syst\u00e9m mu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>neumo\u017en\u00ed prov\u00e9st tov\u00e1rn\u00ed reset z nastaven\u00ed,<\/li>\n\n\n\n<li>neumo\u017en\u00ed vyu\u017e\u00edvat slu\u017eby Google Play<\/li>\n\n\n\n<li>neumo\u017en\u00ed p\u0159idat nebo ov\u011b\u0159it \u00fa\u010det Google.<\/li>\n<\/ul>\n\n\n\n<p>Jin\u00fdmi slovy: bez \u00fasp\u011b\u0161n\u00e9ho dokon\u010den\u00ed po\u010d\u00e1te\u010dn\u00ed konfigurace je za\u0159\u00edzen\u00ed funk\u010dn\u011b velmi omezen\u00e9 a b\u011b\u017en\u00e9 cesty, kter\u00e9 d\u0159\u00edve vedly k odstran\u011bn\u00ed FRP, ji\u017e nejsou dostupn\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Role root opr\u00e1vn\u011bn\u00ed<\/h3>\n\n\n\n<p>V p\u0159\u00edpad\u011b, \u017ee je v\u0161ak k dispozici <strong>root p\u0159\u00edstup<\/strong>, tato omezen\u00ed p\u0159est\u00e1vaj\u00ed b\u00fdt z\u00e1sadn\u00ed p\u0159ek\u00e1\u017ekou. Root opr\u00e1vn\u011bn\u00ed umo\u017e\u0148uj\u00ed pracovat se syst\u00e9mem na \u00farovni, kter\u00e1 nen\u00ed z\u00e1visl\u00e1 na stavu u\u017eivatelsk\u00e9ho rozhran\u00ed ani na dokon\u010den\u00ed pr\u016fvodce nastaven\u00edm.<\/p>\n\n\n\n<p>Za\u0159\u00edzen\u00ed lze v takov\u00e9m p\u0159\u00edpad\u011b ovl\u00e1dat p\u0159\u00edmo ze syst\u00e9mov\u00e9 konzole prost\u0159ednictv\u00edm ADB shellu s odpov\u00eddaj\u00edc\u00edmi pr\u00e1vy, co\u017e otev\u00edr\u00e1 mo\u017enosti, kter\u00e9 nejsou b\u011b\u017en\u00e9mu u\u017eivateli dostupn\u00e9.<\/p>\n\n\n\n<p>Za\u010dn\u011bme tedy tak \u017ee spust\u00edme adb s pr\u00e1vy root<\/p>\n\n\n\n<p><code>adb root<\/code><\/p>\n\n\n\n<p>pak si vyp\u00ed\u0161eme v\u0161echny odd\u00edly v pam\u011bti za\u0159\u00edzen\u00ed<\/p>\n\n\n\n<p><code># ls -l \/dev\/block\/by-name\/<\/code><\/p>\n\n\n\n<p>zaj\u00edm\u00e1 n\u00e1s odd\u00edl FRP tzn:<\/p>\n\n\n\n<p><code>frp -&gt; \/dev\/block\/mmcblk0p10<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"444\" height=\"265\" src=\"https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image.png\" alt=\"\" class=\"wp-image-367\" srcset=\"https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image.png 444w, https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image-300x179.png 300w\" sizes=\"auto, (max-width: 444px) 100vw, 444px\" \/><\/figure>\n\n\n\n<p>nelze p\u0159edpokl\u00e1dat \u017ee uva\u017eovan\u00fd odd\u00edl bude p\u0159ipojen\u00fd, ale pro jistotu m\u016f\u017eeme odpojit<\/p>\n\n\n\n<p><code>umount \/frp<\/code><\/p>\n\n\n\n<p>po\u017eadovan\u00fd odd\u00edl &#8222;zapln\u00edme nulami&#8220; &#8211; z pohledu syst\u00e9mu je odd\u00edl \u201evypr\u00e1zdn\u011bn\u00fd\u201c<\/p>\n\n\n\n<p><code>dd if=\/dev\/zero of=\/dev\/block\/by-name\/frp bs=4M<\/code><\/p>\n\n\n\n<p>nemus\u00edme se b\u00e1t chybov\u00e9 hl\u00e1\u0161ky. FRP odd\u00edl je mal\u00fd a my jsme zapisovali 4M<\/p>\n\n\n\n<p><code>write error: No space left on device<br> 1+0 records in<br> 0+1 records out<br> 1048576 bytes (1.0 M) copied<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"752\" height=\"90\" src=\"https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image-1.png\" alt=\"\" class=\"wp-image-368\" srcset=\"https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image-1.png 752w, https:\/\/frp.macphone.cz\/subdom\/frp\/wp-content\/uploads\/2026\/02\/image-1-300x36.png 300w\" sizes=\"auto, (max-width: 752px) 100vw, 752px\" \/><\/figure>\n\n\n\n<p><code>0+1 records out<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li> <code>0<\/code> = \u017e\u00e1dn\u00fd cel\u00fd blok nav\u00edc <\/li>\n\n\n\n<li> <code>1<\/code> = jeden <strong>\u010d\u00e1ste\u010dn\u00fd \/ posledn\u00ed z\u00e1pis<\/strong> <\/li>\n\n\n\n<li>m\u00edsto 4M m\u016f\u017eete zapsat p\u0159esnou velikost dle odd\u00edlu ale je to jedno.<\/li>\n<\/ul>\n\n\n\n<p>Restartujte p\u0159\u00edstroj a odd\u00edl je smazan\u00fd. Doporu\u010duji v\u0161ak prov\u00e9st obnoven\u00ed do tov\u00e1rn\u00edho nastaven\u00ed z recovery.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tento \u010dl\u00e1nek je ur\u010den v\u00fdhradn\u011b pro studijn\u00ed a vzd\u011bl\u00e1vac\u00ed \u00fa\u010dely. Neposkytuje n\u00e1vod k obch\u00e1zen\u00ed zabezpe\u010den\u00ed mobiln\u00edch za\u0159\u00edzen\u00ed s opera\u010dn\u00edm syst\u00e9mem Android ani konkr\u00e9tn\u00ed postupy k z\u00edsk\u00e1n\u00ed neopr\u00e1vn\u011bn\u00e9ho p\u0159\u00edstupu. Z\u00edsk\u00e1n\u00ed root opr\u00e1vn\u011bn\u00ed a p\u0159\u00edstup p\u0159es ADB zde nejsou popisov\u00e1ny. C\u00edlem \u010dl\u00e1nku je vysv\u011btlit principy pr\u00e1ce s FRP (Factory Reset Protection) odd\u00edlem v situaci, kdy se ji\u017e &hellip; <a href=\"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/frp-v-androidu-pohled-z-urovne-root\/\" class=\"more-link\">Pokra\u010dov\u00e1n\u00ed textu <span class=\"screen-reader-text\">FRP v Androidu: pohled z \u00farovn\u011b root<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_joinchat":[],"footnotes":""},"class_list":["post-366","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/wp-json\/wp\/v2\/pages\/366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/wp-json\/wp\/v2\/comments?post=366"}],"version-history":[{"count":9,"href":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/wp-json\/wp\/v2\/pages\/366\/revisions"}],"predecessor-version":[{"id":382,"href":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/wp-json\/wp\/v2\/pages\/366\/revisions\/382"}],"wp:attachment":[{"href":"https:\/\/frp.macphone.cz\/subdom\/frp\/jak-odstranit-frp-google-ucet\/wp-json\/wp\/v2\/media?parent=366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}