System downgrade: Dab tsi yog qhov txawv ntawm iOS thiab Android

Yog tias koj xav tias koj tus kheej yog tus kiv cua ntawm Apple, lossis theej iPhones, ces koj yeej paub tias lub xov tooj kua tau ua li cas ntawm kev hloov tshiab. Tab sis lub sij hawm no peb tsis txhais hais tias nws ob peb xyoos ntawm kev txhawb nqa, tab sis ib yam dab tsi txawv me ntsis. Txhua zaus ib qho kev hloov tshiab tshiab raug tso tawm, iPhone qhia koj rau nruab nws, uas feem ntau tsis muaj leej twg tsis kam, feem ntau lawv ncua nws. Tab sis yuav ua li cas yog tias koj xav hloov los ntawm ib tug tshiab version mus rau ib tug laus dua?

Txawm hais tias feem coob ntawm peb yuav tsis sim tej yam zoo li no, tsis tau txhais hais tias nws tsis muaj tseeb. Hloov mus rau ib qho qub version, los yog hu ua downgrade, yog qhov ua tau. Cov neeg siv tuaj yeem siv rau nws, piv txwv li, nyob rau lub sijhawm thaum tus tshiab version yog tag nrho ntawm qhov yuam kev, txo cov roj teeb lub neej, thiab lwm yam. Hmoov tsis zoo, txawm tias qhov kev txo qis muaj qee yam kev txwv. Yog koj niaj hnub nyeem peb cov muam phau ntawv xov xwm Flying thoob ntiaj teb nrog Apple, tom qab ntawd koj tuaj yeem sau npe tam sim ob peb kab lus hais txog qhov tseeb tias Apple tso tseg tsis kos npe rau qee qhov kev ua haujlwm ntawm qhov system. Tab sis qhov tseeb txhais li cas? Nyob rau hauv cov ntaub ntawv no, nws yog tsis muaj peev xwm mus nruab ib tug muab version nyob rau hauv txhua txoj kev, thiab yog li ntawd lub downgrade tsis tau ua. Piv txwv li, txawm tias tam sim no koj yuav tsis tuaj yeem rov qab los ntawm iOS 15 mus rau iOS 10 - lub kaw lus muab tsis tau kos npe los ntawm Cupertino loj heev rau lub sijhawm ntev, uas yog vim li cas koj tsuas tuaj yeem nruab tsis tau. Qhov no yog li cas nws tau ua haujlwm ntawm iPhones rau xyoo. Tab sis dab tsi txog Androids?

Downgrade Android

Raws li koj tau twv, qhov xwm txheej yuav zoo dua me ntsis hauv cov ntaub ntawv ntawm kev sib tw Android xov tooj. Koj tuaj yeem downgrade yooj yim dua ntawm cov khoom siv no, thiab tseem muaj kev xaiv rau nruab ib qho kev cai ROM, lossis hloov kho version ntawm lub system muab. Tab sis tsis txhob dag. Qhov tseeb tias Android qhib ntau rau nws cov neeg siv hauv qhov no tsis tas txhais tau tias nws yog txheej txheem yooj yim yam tsis muaj kev pheej hmoo me ntsis. Txij li thaum lub kaw lus no khiav ntawm ntau pua tus qauv sib txawv los ntawm ntau lub tuam txhab, tag nrho cov txheej txheem yog xov tooj-rau-xov tooj, uas yog vim li cas koj yuav tsum ceev faj ntau dua rau cov xwm txheej no. Yog tias muaj teeb meem tshwm sim, koj tuaj yeem "cib" koj lub cuab yeej, hais lus, lossis tig mus rau hauv daim ntawv tsis muaj txiaj ntsig.

iOS 15

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iOS 15

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Yog hais tias koj xav downgrade lub Android system tom qab tag nrho, ua tib zoo kawm qhov teeb meem no nyob rau hauv cov ntaub ntawv ntawm ib tug tshwj xeeb qauv thiab twv yuav raug hu tsis txhob hnov ​​qab ua ib tug thaub qab ntawm lub ntaus ntawv. Ib qho ntawm thawj cov kauj ruam yog txhawm rau qhib lub npe hu ua bootloader, uas yuav tshem tawm cov kev cia sab hauv.