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probably a standard question. I would like to install cyanogenmod on my device. There is a ROM available which I would like to try. I can boot my device into recovery mode. I can choose to flash the zip to be flashed, I do however get the "E: failed to verify whole-file signature" error, presumably because the image is not signed by Samsung.

  1. To get around this problem, is it necessary to install TWRP / CWM or is there another way to flash the image?
  2. Is TWRP/CWM device-dependent as well?
  3. If yes, where can I find an image suitable for my device (I don't want to hard-brick the device by getting the wrong one)?
  4. The link above mentions a recovery image. However, this image has a *.md5 extension and not *.img. Isn't the latter required (at least for odin3 / heimdall)?
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  1. 3rd-party recovery is necessary.
  2. Yes.
  3. XDA-Developers also have you covered. You already have the ROM there, why not take some more time to look around and grab TWRP 3.0.0 (newer than provided in your link)?
  4. *.md5 allows Odin/Heimdall to verify image integrity before loading it. It's just your regular *.tar with MD5 attached to it. Odin does not accept *.imgs.

Also, in case you didn't notice, CyanogenMod 13 is available for this device too.

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