Question about HTC S621 Smartphone (Unlocked) - Black/Silver

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My HTC s621 also known as the htc dash or Excalibur has crashed. It got crashed from uninstalling a program, it kept on telling me to uninstall programs because I had very little space left in my htc device, and was causing it to move slow. And one program called Ringo, when trying to uninstall it, it asked me to uninstall this program you have to reboot your device. And I did and then I turned it on back because I waited a while first to see if it was going to turn on by itself. But it didn't, so I turned it on. And it only loaded up to the rogers logo which is the second start up screen. The first start up screen is Welcome and the second start up screen is Rogers. I've been trying to fix this problem for two whole days now and I haven't gotten anywhere. I found some sites telling me to do so on and so on but I kept on finding one particular site. And this is what it was advising me to do. The WM6 rom and it was unlocked through imeicheck. Any ideas? I had a similar problem and Imeicheck helped me out. "Plan B" worked for me. I hope this will help you. A) flashing ANY new ROM as CROSS-MODEL-ID update B) Fix the "Data crashes" In case you have problems please indicate the step letter/number which is not clear / not working for you. Just do EVERYTHING EXCAT STEP BY STEP and everything will work. --------- A) Please do it EXACT step by step like described now and it will work (it is ESSENTIAL that you do it EXACT STEP BY STEP) 0) turn off antivirus/firewall/everything else running in background 1) start phone in windows, connect active sync (green circle in system tray of your pc) 2) start the unlocker (phone screen will turn white, active sync will disconnect, THIS IS NORMAL) 3) when asked for KEY-FILE or COMM ERROR#1 comes up WAIT 2 MINUTES (DON'T TOUCH ANYTHING) 4) DO NOT TOUCH PHONE AT ALL for ALL the next steps!!! 5) remove USB cable 6) close the unlocker on PC 7) reconnect USB cable 8) unpack the "RUU_Excalibur_TMO_US_1.20.531.1_4.1.13.34_02.79.90 _Test.exe" (right click on the .exe and select "Winzip->Unzip to folder..." 9) in the extracted folder you will find a file called like "RUU_signed.nbh" (.NBH), open it with HEX EDITOR (e.g. HexWorkshop) and locate the string like "EXCA20000" near the beginning of the file. Change it to "EXCA****" (all without the quotes, overwrite the DIGITS with STARS) 10) in the extracted folder you will find a file called like "RUU_Update.exe", open it with HEX EDITOR and SEARCH the string "BsaD5SeoA" and OVERWRITE it with "IMEICHECK" (all without the quotes) 11) start the just edited RUU_Update.exe now and make the ROM update (screen of phone will stay white ALL THE TIME, THIS IS NORMAL) 12) wait till update is complete and phone will start with the new ROM 13) To fix the "Data Crashes" problem just make a COMPLETE run of the unlocker (see B) ) and you are done. --------- B) To fix the "Data crashes" you only have to make a COMPLETE run of the unlocker. Please do it EXACT step by step like described now and it will work (it is ESSENTIAL that you do it EXACT STEP BY STEP) 0) turn off antivirus/firewall/everything else running in background 1) start phone in windows, connect active sync (green circle in system tray of your pc) 2) start the unlocker (phone screen will turn white, active sync will disconnect, THIS IS NORMAL) 3) when you get COMM ERROR #1 WAIT 2 MINUTES (DON'T TOUCH ANYTHING) 4) DO NOT TOUCH PHONE AT ALL for ALL the next steps!!! 5) remove USB cable 6) close the unlocker on PC 7) reconnect USB cable 8) start unlocker again and now it will complete the unlock 9) at next start the "Data Crashes" will be away. But when I tried to connect my device to my computer (Windows XP) with a usb cord my computer does not read my htc s621. Active sync the name of the program you open up your htc phone with to manage your files and what not with, is not detecting my device so I cant even begin to fix my phone as yet. I have no clue what to do. Can you please help me, I beg you. Please.

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  • slicksz Jan 07, 2009

    The links are not working, I do not know if it is just my browser. I use Firefox. But I also tried it on IE and Safari, its not working. Help me please.

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Here's a great site for the HTC S620 and a step by step instruction to fix this, if not fix it find how to fix it in this site.

http://forum.xda-developers.com/showthread.php?t=415225

Available ROMs:
http://forum.xda-developers.com/showthread.php?s=6c5630e7133df1c58df8279fa4321ca4&t=381726

if your phone does not start at all, then press power button and camera (sym) button together for 10 seconds almost then plug in the usb cable and remove your hand from the camera button (sym) it should give you a three color screen, then follow instructions in the first link above.

good luck.

Posted on Dec 29, 2008

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