{"id":2481,"date":"2024-06-14T10:01:39","date_gmt":"2024-06-14T10:01:39","guid":{"rendered":"https:\/\/howtogeek.blog\/cs\/?p=2481"},"modified":"2024-06-14T10:01:39","modified_gmt":"2024-06-14T10:01:39","slug":"how-to-roll-back-from-ios-18-beta-to-ios-17-without-losing-data-cs","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/cs\/how-to-roll-back-from-ios-18-beta-to-ios-17-without-losing-data-cs\/","title":{"rendered":"Jak se vr\u00e1tit z iOS 18 Beta na iOS 17 bez ztr\u00e1ty dat"},"content":{"rendered":"<p>Chcete p\u0159ej\u00edt z beta verze iOS 18 na iOS 17? Pokud jste si nainstalovali beta verzi iOS 18 pro v\u00fdvoj\u00e1\u0159e, m\u016f\u017ee po\u010d\u00e1te\u010dn\u00ed p\u0159ita\u017elivost nov\u00e9ho p\u0159izp\u016fsoben\u00ed domovsk\u00e9 obrazovky, aplikace Fotky a ovl\u00e1dac\u00edho centra sl\u00e1bnout, proto\u017ee naraz\u00edte na probl\u00e9my se stabilitou softwaru. Ale to je riziko, kter\u00e9 p\u0159i p\u0159ihl\u00e1\u0161en\u00ed do beta verze p\u0159ij\u00edm\u00e1te.<\/p>\n<p>Pokud jste v\u0161ak tyto d\u016fsledky pln\u011b nezv\u00e1\u017eili a chcete se vr\u00e1tit, zde je n\u00e1vod, jak se vr\u00e1tit z iOS 18 Developer Beta na stabiln\u00ed verzi iOS 17 bez ztr\u00e1ty dat. Tento proces funguje tak\u00e9 pro downgrade z iPadOS 18 na iPadOS 17.<\/p>\n<h2>M\u016f\u017eete obnovit p\u0159edchoz\u00ed verzi iOS ze z\u00e1lohy<\/h2>\n<p>Pokud jste p\u0159ed aktualizac\u00ed na iOS 18 z\u00e1lohovali sv\u016fj iPhone p\u0159es <a href=\"https:\/\/support.apple.com\/en-in\/guide\/itunes\/itns3280\/windows\" rel=\"noreferrer noopener\" target=\"_blank\">iTunes<\/a> nebo <a href=\"https:\/\/support.apple.com\/en-in\/108796\" rel=\"noreferrer noopener\" target=\"_blank\">Finder<\/a> , m\u016f\u017eete b\u00fdt v poku\u0161en\u00ed jej okam\u017eit\u011b obnovit. I kdy\u017e m\u016f\u017eete obnovit z\u00e1lohu vytvo\u0159enou na iOS 17, v\u00e1\u0161 iPhone nyn\u00ed pou\u017e\u00edv\u00e1 iOS 18 \u2013 obnov\u00ed pouze va\u0161e star\u00e1 data a aplikace a nevrac\u00ed verzi softwaru.<\/p>\n<p>Tak\u00e9 nem\u016f\u017eete vytvo\u0159it novou z\u00e1lohu na iOS 18, p\u0159ej\u00edt na ni\u017e\u0161\u00ed verzi na iOS 17 a pot\u00e9 obnovit z\u00e1lohu iOS 18. Apple omezuje obnovu z\u00e1loh z nov\u011bj\u0161\u00edch verz\u00ed iOS na star\u0161\u00ed kv\u016fli potenci\u00e1ln\u00ed nekompatibilit\u011b datov\u00fdch struktur nebo funkc\u00ed \u2013 iOS 17 nev\u00ed, jak\u00fd je iOS 18.<\/p>\n<p>Chcete-li se vr\u00e1tit zp\u011bt k iOS 17 z iOS 18, <strong>budete muset pou\u017e\u00edt re\u017eim obnoven\u00ed,<\/strong> kter\u00fd vyma\u017ee v\u0161e na va\u0161em iPhone. Sv\u00e1 data v\u0161ak m\u016f\u017eete pozd\u011bji obnovit v z\u00e1vislosti na situaci z\u00e1lohov\u00e1n\u00ed:<\/p>\n<ul>\n<li><strong>Pokud m\u00e1te z\u00e1lohu iTunes nebo Finder z iOS 17:<\/strong> P\u0159ejd\u011bte na ni\u017e\u0161\u00ed verzi za\u0159\u00edzen\u00ed na iOS 17. Po p\u0159echodu na ni\u017e\u0161\u00ed verzi obnovte stejnou z\u00e1lohu pomoc\u00ed iTunes nebo Finderu.<\/li>\n<\/ul>\n<ul>\n<li><strong>Pokud m\u00e1te z\u00e1lohu na iCloudu:<\/strong> P\u0159ejd\u011bte na ni\u017e\u0161\u00ed verzi za\u0159\u00edzen\u00ed na iOS 17. Po p\u0159echodu na ni\u017e\u0161\u00ed verzi obnovte z\u00e1lohu na iCloudu, abyste obnovili aplikace, soubory a dal\u0161\u00ed data.<\/li>\n<\/ul>\n<ul>\n<li><strong>Pokud aktu\u00e1ln\u011b nem\u00e1te \u017e\u00e1dnou z\u00e1lohu:<\/strong> P\u0159ed p\u0159echodem na ni\u017e\u0161\u00ed verzi ru\u010dn\u011b z\u00e1lohujte data z iPhone na iCloud (pokud je to mo\u017en\u00e9). Pokud na iCloudu nem\u00e1te dostatek m\u00edsta, ulo\u017ete si d\u016fle\u017eit\u00e9 soubory do jin\u00e9 cloudov\u00e9 slu\u017eby nebo do po\u010d\u00edta\u010de. Po downgradu je pak m\u016f\u017eete obnovit.<\/li>\n<\/ul>\n<h2>Vra\u0165te se z iOS 18 Beta na iOS 17 stabiln\u00ed verzi<\/h2>\n<p>Nyn\u00ed, kdy\u017e v\u00edte, jak obnovit sv\u00e1 data po downgradu, poj\u010fme si proj\u00edt kroky k n\u00e1vratu z iOS 18 beta na iOS 17. K tomu m\u016f\u017eete pou\u017e\u00edt re\u017eim obnoven\u00ed na sv\u00e9m iPhonu (nebo iPadu). Zde je postup:<\/p>\n<h3>P\u0159edpoklady<\/h3>\n<ul>\n<li>Po\u010d\u00edta\u010d Mac s Finder NEBO po\u010d\u00edta\u010d Windows s <a href=\"https:\/\/support.apple.com\/en-in\/118290\" rel=\"noreferrer noopener\" target=\"_blank\">nainstalovan\u00fdm iTunes<\/a> .<\/li>\n<li>V\u00e1\u0161 iPhone nebo iPad se syst\u00e9mem iOS 18 nebo iPadOS 18.<\/li>\n<li>Va\u0161e Apple ID (nyn\u00ed se naz\u00fdv\u00e1 Apple Account) a heslo pro aktivaci iPhone po obnoven\u00ed.<\/li>\n<\/ul>\n<h3>Krok 1: P\u0159epn\u011bte sv\u016fj iPhone do re\u017eimu obnovy<\/h3>\n<p><strong>1.<\/strong> Vypn\u011bte iPhone stisknut\u00edm a podr\u017een\u00edm vyp\u00edna\u010de\/postrann\u00edho tla\u010d\u00edtka a n\u011bkter\u00e9ho z tla\u010d\u00edtek hlasitosti, dokud se nezobraz\u00ed posuvn\u00fd vyp\u00edna\u010d. Pot\u00e9 posunut\u00edm vypn\u011bte nap\u00e1jen\u00ed.<\/p>\n<figure class=\"wp-block-image\"><img alt=\"Mo\u017enost vypnut\u00ed posunut\u00edm na iPhone 15 Pro Max se syst\u00e9mem iOS 18 Developer Beta\" class=\"wp-image\" decoding=\"async\" height=\"577\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Switch-Off-iPhone-1024x577-1.webp\" title=\"Mo\u017enost vypnut\u00ed posunut\u00edm na iPhone 15 Pro Max se syst\u00e9mem iOS 18 Developer Beta\" width=\"1024\"\/><\/figure>\n<p><strong>2.<\/strong> Stiskn\u011bte a podr\u017ete tla\u010d\u00edtko Nap\u00e1jen\u00ed\/Postrann\u00ed na va\u0161em iPhone a okam\u017eit\u011b jej p\u0159ipojte k po\u010d\u00edta\u010di Mac nebo Windows. Dr\u017ete vyp\u00edna\u010d. V p\u0159\u00edpad\u011b iPadu zkontrolujte <a href=\"https:\/\/support.apple.com\/en-in\/108925\" rel=\"noreferrer noopener\" target=\"_blank\">kombinace tla\u010d\u00edtek zde<\/a> . V tomto n\u00e1vodu budu pokra\u010dovat se sv\u00fdm iPhonem.<\/p>\n<p><strong>3.<\/strong> Na va\u0161em iPhonu se objev\u00ed logo Apple. V tomto okam\u017eiku m\u016f\u017eete uvolnit vyp\u00edna\u010d.<\/p>\n<figure class=\"wp-block-image\"><img alt=\"iPhone 15 Pro Max v re\u017eimu obnovy\" class=\"wp-image\" decoding=\"async\" height=\"577\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/iPhone-Recovery-Mode-1024x577-1.webp\" title=\"iPhone 15 Pro Max v re\u017eimu obnovy\" width=\"1024\"\/><\/figure>\n<p><strong>4.<\/strong> V\u00e1\u0161 iPhone automaticky p\u0159ejde do re\u017eimu obnovy. Uvid\u00edte \u010dernou obrazovku s kabelem a \u0161ipkou sm\u011b\u0159uj\u00edc\u00ed k notebooku.<\/p>\n<p><strong>5.<\/strong> Na po\u010d\u00edta\u010di p\u0159ijm\u011bte v\u00fdzvu, abyste povolili p\u0159ipojen\u00ed iPhonu.<\/p>\n<figure class=\"wp-block-image\"><img alt=\"Povolit p\u0159\u00edslu\u0161enstv\u00ed p\u0159ipojen\u00ed vyskakovac\u00edho okna pro re\u017eim obnoven\u00ed iPhone na Macu\" class=\"wp-image\" decoding=\"async\" height=\"529\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Allow-accessory-prompt-1024x529-1.webp\" title=\"Povolit p\u0159\u00edslu\u0161enstv\u00ed p\u0159ipojen\u00ed vyskakovac\u00edho okna pro re\u017eim obnoven\u00ed iPhone na Macu\" width=\"1024\"\/><\/figure>\n<h3>Krok 2: Vra\u0165te se zp\u011bt na iOS 17 z iOS 18 Beta pomoc\u00ed Finderu\/iTunes<\/h3>\n<p><strong>1.<\/strong> Pokud pou\u017e\u00edv\u00e1te Mac, otev\u0159ete Finder. Pokud pou\u017e\u00edv\u00e1te Windows, otev\u0159ete aplikaci iTunes.<\/p>\n<p><strong>2.<\/strong> V\u00e1\u0161 iPhone by se m\u011bl objevit v nab\u00eddce postrann\u00edho panelu. Klikn\u011bte na to.<\/p>\n<p><strong>3.<\/strong> Objev\u00ed se vyskakovac\u00ed okno s dotazem, zda <strong>aktualizovat<\/strong> nebo <strong>obnovit<\/strong> v\u00e1\u0161 iPhone. Klikn\u011bte <strong>na Obnovit<\/strong> .<\/p>\n<figure class=\"wp-block-image\"><img alt=\"Mo\u017enost obnoven\u00ed pro iPhone v Mac Finderu\" class=\"wp-image\" decoding=\"async\" height=\"557\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Restore-iPhone-1-1024x557-1.webp\" title=\"Mo\u017enost obnoven\u00ed pro iPhone v Mac Finderu\" width=\"1024\"\/><\/figure>\n<p><strong>4.<\/strong> Pot\u00e9 v dal\u0161\u00edm vyskakovac\u00edm okn\u011b klikn\u011bte na <strong>Obnovit a aktualizovat .<\/strong><\/p>\n<figure class=\"wp-block-image\"><img alt=\"Mo\u017enost obnoven\u00ed pro iPhone v Mac Finderu\" class=\"wp-image\" decoding=\"async\" height=\"530\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Restore-iPhone-2-1024x530-1.webp\" title=\"Mo\u017enost obnoven\u00ed pro iPhone v Mac Finderu\" width=\"1024\"\/><\/figure>\n<p><strong>5.<\/strong> P\u0159ijm\u011bte podm\u00ednky a postupujte podle pokyn\u016f na obrazovce. Po\u010dkejte, dokud nebude v\u00e1\u0161 iPhone obnoven.<\/p>\n<figure class=\"wp-block-image\"><img alt=\"iPhone se obnovuje na iOS 17 v re\u017eimu obnovy p\u0159es Finder na Macu\" class=\"wp-image\" decoding=\"async\" height=\"556\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Restore-iPhone-4-1024x556-1.webp\" title=\"iPhone se obnovuje na iOS 17 v re\u017eimu obnovy p\u0159es Finder na Macu\" width=\"1024\"\/><\/figure>\n<p>Nyn\u00ed si st\u00e1hne nejnov\u011bj\u0161\u00ed stabiln\u00ed software dostupn\u00fd pro v\u00e1\u0161 iPhone (iOS 17). Cel\u00fd proces m\u016f\u017ee trvat p\u0159ibli\u017en\u011b 15-20 minut. V tomto p\u0159\u00edpad\u011b obnovujeme iPhone 15 Pro Max, co\u017e zahrnovalo sta\u017een\u00ed asi 8 GB dat.<\/p>\n<figure class=\"wp-block-image\"><img alt=\"iPhone 15 Pro Max byl obnoven a vr\u00e1cen z iOS 18 Beta na iOS 17\" class=\"wp-image\" decoding=\"async\" height=\"578\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/iPhone-Restored-to-iOS-17-1024x578-1.webp\" title=\"iPhone 15 Pro Max byl obnoven a vr\u00e1cen z iOS 18 Beta na iOS 17\" width=\"1024\"\/><figcaption>N\u00e1\u0161 iPhone 15 Pro Max byl obnoven na iOS 17<\/figcaption><\/figure>\n<p>Po dokon\u010den\u00ed se v\u00e1\u0161 iPhone automaticky spust\u00ed do iOS 17. Odpojte jej a pot\u00e9 <a href=\"https:\/\/support.apple.com\/en-in\/118105\" rel=\"noreferrer noopener\" target=\"_blank\">obnovte z\u00e1lohu<\/a> p\u0159es iTunes, iCloud nebo metodou, kterou jste zvolili d\u0159\u00edve. T\u00edmto zp\u016fsobem jste \u00fasp\u011b\u0161n\u011b p\u0159e\u0161li na ni\u017e\u0161\u00ed verzi a z\u00e1rove\u0148 si ponechali v\u0161echna sv\u00e1 data.<\/p>\n<p>M\u016f\u017eete se znovu p\u0159ipojit k v\u00fdvoj\u00e1\u0159sk\u00e9 beta verzi nebo po\u010dkat na ve\u0159ejnou beta verzi (vyjde v \u010dervenci). P\u0159\u00edpadn\u011b m\u016f\u017eete po\u010dkat na stabiln\u00ed ve\u0159ejn\u00e9 vyd\u00e1n\u00ed o\u010dek\u00e1van\u00e9 letos na podzim, kter\u00e9 tak\u00e9 odemkne funkce Apple Intelligence na iPhone 15 Pro a 15 Pro Max.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chcete p\u0159ej\u00edt z beta verze iOS 18 na iOS 17? Pokud jste si nainstalovali beta verzi iOS 18 pro v\u00fdvoj\u00e1\u0159e, m\u016f\u017ee po\u010d\u00e1te\u010dn\u00ed p\u0159ita\u017elivost nov\u00e9ho p\u0159izp\u016fsoben\u00ed domovsk\u00e9 obrazovky, aplikace Fotky a ovl\u00e1dac\u00edho centra sl\u00e1bnout, proto\u017ee naraz\u00edte na probl\u00e9my se stabilitou softwaru. Ale to je riziko, kter\u00e9 p\u0159i p\u0159ihl\u00e1\u0161en\u00ed do beta verze p\u0159ij\u00edm\u00e1te. Pokud jste v\u0161ak tyto [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8,63,248,9],"class_list":["post-2481","post","type-post","status-publish","format-standard","hentry","category-how-to","tag-ios","tag-ios-17","tag-ios-18","tag-iphone"],"acf":[],"_links":{"self":[{"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/posts\/2481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/comments?post=2481"}],"version-history":[{"count":1,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/posts\/2481\/revisions"}],"predecessor-version":[{"id":2482,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/posts\/2481\/revisions\/2482"}],"wp:attachment":[{"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/media?parent=2481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/categories?post=2481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/tags?post=2481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}