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If I want to connect to our company Exchange server I am forced to encrypt my android (cm11).

  • Q1) My question is whether ever /sdcard0 will be encrypted too.

Note that HTC One XL got only internal storeage, no external SD card is present.

That is the location where I got pictures taken, installers for cm etc.

  • Q2) if /sdcard0 is encrypted too will I be able to access the files on sdcard0 via Mass Storage?

  • Q3) from the research I did, I would be able to update cm using "using a tmpfs mount for /sdcard and 'adb push update.zip /sdcard' just seconds flashing". Is that correct?

  • Q4) if I update cm will the data on /sdcard0 be still accessible?

  • Q5) I read that the only way to decrypt android phone is factory reset. That's something I do always before installing new version of cm. But this does not touch any data on /sdcard0. If /sdcard0 is encrypted what is the way for me to decrypt my phone?

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    Not answering your question, but there are mail clients (mailwise, for example) that allow you to connect to exchange and bypass the exchange security settings. – Ryan Conrad Feb 2 '15 at 0:27
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+75

Too many questions btw but the answers are follows :

Ans 1 : Yes your /sdcard0 will be encrypted.

Ans 2 : No, if the /sdcard0 is encrypted you will not be able to access your storage in anyway.

Ans 3 : Yes, you will be able to update your cm but it will not be updated in seconds, it will take several minutes.

Ans 4 : Yes, all your previous data will be accessible. Data is lost only if you are installing cm for the first time, if you are updating it, your data will not be lost.

Ans 5 : Upto I know, you can decrypt your phone without factory reset but I don't know step by step process for decryption.

  • Ans4: how come data is going to be lost when I install cm for the first time? Let's say I got cm installed now and I decide to encrypt. So I just update settings and the phone will be updated. I am confused about this answer. On the other hand what is going to happen after I upgraded cm on encrypted phone? It will just pick it up and will be able to access the encrypted part? – Radek Feb 9 '15 at 0:09
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    @Radek What he means is that if you install from stock to CM ROM. You will obviously lose all data, since you are recommended to do a full wipe. But if you upgrade existing CM to a minor CM update, you can retain your data. – geffchang Feb 9 '15 at 12:30

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