I have a Droid RAZR Maxx HD rooted and unlocked without cwm or twrp installed. I was curious to if anyone knew how to install twrp or cwm without a comp
The only way that I know how to do this, and I tweeted the Dev a few weeks ago, would be to install this apk,
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. This was the initial recovery that I used on my HTC EVO, a couple of years ago. But I've looked at this ROM Manager app and it is so outdated, though it supports Recovery on the Motorola Photon which I was surprised by.... Just to note this installs CWM Recovery, on the devices the app presently supports, I don't think we are up there.
Edit, might want to get a computer Tucstwo has a great Recovery Flasher...