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查看     | 回复 12 Android 可以降回出廠設定嗎?

kennethyim

kennethyim
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  2天前手賤由 Android 7.1.1 Nougat 升上 Android 9,手機是 Nokia 6 (2017) TA-1025. 請問那裡可以降回本來的 Android 7.1.1 呢? 謝謝!

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ranger1998

ranger1998
     2 楼
刷机

kennethyim

kennethyim
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     3 楼
原帖由 ranger1998          于 2019/3/4 21:22:13 发表
刷机
  那裡可以做刷机? 今天去了太古問了說做不到.

johnxu

johnxu
|
     4 楼
可以,每个机型不一样。比如三星好你启动时同时按音量向上,电源,还有一个我忘了。

kennethyim

kennethyim
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     5 楼
原帖由 johnxu 于 2019/3/5 21:52:20 发表
可以,每个机型不一样。比如三星好你启动时同时按音量向上,电源,还有一个我忘了。......
  你說的只是 reset factory setting, 不是刷机, 更不是 downgrade Android system.

koolin

koolin
|
     6 楼
刷第三方rom

瘋誑の電悩

瘋誑の電悩
|
     7 楼
原厂没提供没解锁bootloader的话,不可能刷回老版本的

草上飞2

草上飞2
     8 楼
貌似是可以的,但是你一定要先解boot loader 锁,然后装订制recovery ,一般是twrp,接着找到匹配的rom,随便刷就行了。
现在还可以一机刷多系统,我就弄了三个,不过也没啥用,都是Android的,都差不多。如果经常回国还是可以的,两套系统可以切换一下

瘋誑の電悩

瘋誑の電悩
     9 楼
前提就在bootloader

kennethyim

kennethyim
| 只看楼主
     10 楼
Nokia 今天回復了,內容如下....



Thank you for contacting Nokia mobile care!

In order for us to be able to provide you with more information on the topic, could you please tell us what is the device model and the IMEI of the phone? You can find it by dialing *#06# and your phone will show you the IMEI number with 15 numbers (starting with: 35….). Additionally the IMEI number should be written on the box with which you bought the phone or SIM slot which is in your phone.

We are very sorry to hear that you have some issue with Android Pie! Please, can you describe your issue? What exactly happen to your phone after the upgrade?

Please, we need to inform you that it's not possible to roll back on previous android version even in our repair center they can't provide you with such a thing, it' forbidden. You will loose your warranty and rolling back can permanently damage your phone. To roll back to previous version is technically possible but it's highly NOT recommended.

We highly appreciate your cooperation and your effort to openly write us your opinion or feedback.

We are looking forward to your reply.
Have a nice day.

Best regards
Melody Fichte
CSR@Nokia Mobile Care

草上飞2

草上飞2
     11 楼
解bootloader一般都是没保修,除非能搞到重新上锁的官方底包,大部分官方底包刷回去都是relock,偶尔会有比较老的官方rom刷后能出现lock状态,

SS5570

SS5570
|
     12 楼
基本不可以。

别说刷机什么的自己弄,如果不是精通手机的,自己刷机很可以搞残手机。
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