[操作疑難] 舊版 Nexus 7 2012 仲有救嗎?

部機一向只用來做導航. 最近幾個月, 慢到嘔. 係禁一個制, 都要等幾分鐘果隻.
個導航, 我渣到目的地都未load到個地點.
重開機好返幾分鐘, 好快又係咁. 已經冇乜放野. 16GB NAND 仲有10GB有多剩.
已經重新flash過ROM, 3-WIPE, 開始又好一陣, 幾日唔駛就打回原型.
初時有傳話係NAND 係 TLC 關係, 但查完資料應該都係MLC.
不過Driver有 BUG, 4.1.2 以下做唔到 Trim. 但我近來已經up左去 4.4, 應該已經Trim到.
係快左啲, 但都係比最初買返來果時慢好多.

其實到底係乜問題? 有冇計令佢重生?
謝謝

回覆 1# mcdull

I have the same problem as well.  Seems like this is very common.

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have you tried f2fs roms for nexus 7?

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I am using Slimkat 4.4.2 f2fs rom in my nexus 7 2012 16G, it is not slow.

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ching ,
can you teach me how to downgrade from 5.02 to 4.4.2 or 4.4.4

I want to use a hammer when I use 5.02

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I am using Slimkat 4.4.2 f2fs rom in my nexus 7 2012 16G, it is not slow.
hsleung 發表於 2015-2-2 15:01



    I am using F2FS rom of Slimkat based rom too.. (autodroid)
如果你部機未開始慢, 就唔覺, 一慢, 係一發不可收拾.
I guess it was NAND issue.

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ching ,
can you teach me how to downgrade from 5.02 to 4.4.2 or 4.4.4

I want to use a hammer when  ...
ehapgf 發表於 2015-2-3 23:00



    最好 full wipe 入fastboot 全部flash過,.

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回覆 7# mcdull


  how to flash please

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go download nexus toolkit.
available in xda.

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