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Why: "error[170]: USB connection error"


  1. closevo

    closevo Well-Known Member

    I've been tring to unroot my Evo for the past couple days with RUU and I keep geting" error[170]: USB connection error. I really need help bc need to take it back to Sprint to fix my internet glitch.

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  2. akazabam

    akazabam Well-Known Member

    What was your root method? If it was unrevoked, did you flash the S-ON tool already? What is your hboot version? Have you tried a PC36IMG.zip file? That's likely a better option.
    closevo likes this.
  3. surfologist87

    surfologist87 Well-Known Member

    I have used a RUU in the past, and its taken up to like 8 times to get it to go through. So i dont know what its deal is.
    I also have tried the PC36IMG like akazabam said instead, and it worked a lot easier. The Rooting for Dummies Guide has step by step instructions and are very detailed, its stickied on the top of the list of threads.
    closevo likes this.
  4. closevo

    closevo Well-Known Member

    I used Auto root 2.2 not unrevoked. hboot-2.10.0001 & no I have not-PC36IMG.zip. need dl link.
  5. akazabam

    akazabam Well-Known Member

    Here is the PC36IMG.zip file you need. Go read the Rooting for Dummies guide - it's a sticky at the top of this section. There are instructions there for how to unroot. You'll first need to flash the unrevoked S-ON tool from recovery, then you can flash this PC36IMG.zip file. There are instructions there for how to do both. Let me know if you need any more help with it.
    closevo likes this.
  6. closevo

    closevo Well-Known Member

    Will do. to me being new to this whole world of adroid it can get frustrating but on the flip side I'm learning this .
  7. akazabam

    akazabam Well-Known Member

    That's ok; it takes time and an awful lot of reading to learn everything. Don't worry, you'll learn everything quickly. Let me know if you run into any problems.
  8. closevo

    closevo Well-Known Member


    Just wanted to say thanx . Did the PC36IMG.zip and unrooted. However the reason I had to unroot is bc my internet slowed down for approx. 3-5 min. wait time, was going to Sprint,unrooted, back to norm. No wait. Was it the auto root v.2.2? What's the best root? I need root.
  9. closevo

    closevo Well-Known Member


    Took your suggestion and unrooted, thanx.
  10. akazabam

    akazabam Well-Known Member

    You want to root again? Autoroot is fine if you did it before, but unrevoked is regarded as the easiest method (and is probably the safest). Both methods are going to use unrevoked forever to root (unless you do the quick method with autoroot, and that only works if your phone came with hboot 0.97 or under).
  11. closevo

    closevo Well-Known Member

    I have hboot 2.10 and auto rooted w/ v.2.2. maybe why I had poor internet speed. unrevoked is very popular in the android world, just wasn't sure me being new. And yes I want to root again seeing there's nothing wrong with me evo, not needing to go to Sprint. Might as well get a trac phone if I'm not going to root. lol. Peace.
  12. DJNTOX

    DJNTOX New Member

    Black HTC screen and a USB connection error. What should I do?
  13. ocnbrze

    ocnbrze DON'T PANIC!!!!!!!!! Moderator

    welcome to the forums!!!!!!!!!!!!!!!!!!
    so what were you trying to do? were you unrooting or rooting? when did the error pop up? we need a little more background info.
  14. Kriggs511

    Kriggs511 New Member

    I have been trying to do everything to get this task done. I have no internet wifi at home and I want free mobile hotspot. But I need to root phone. I have stupidly upgraded to the gingerbread 2.3.3 and I can't do shit with it. Well I never knew about unrooting your android either.

    Well I need help with this. Again I have tried unrevoked, and adk sdk, many more video instructions on youtube. Been to htcevohacks.com too. But seems to be that everyone is rooted only if they haven't upgraded their android version. I just about have every flie that each method said to download as well but I can't get it to work. I need help.

    Lastly i was going to just take to a sprint store to let them downgraded it and there is no store in Roswell New Mexico. Just a third party and they aren't any help.
  15. ocnbrze

    ocnbrze DON'T PANIC!!!!!!!!! Moderator

    unfortunately you can't root your phone just yet. please read this sticky:http://androidforums.com/evo-4g-all...cant-root-your-gingerbread-2-3-3-evo-yet.html and no sprint store tech can downgrade, just so you know. just be patient root is coming. but read the thread in its entirety. or cut to the end. there is some juicy bits of info there.
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