before i start because its not allowed for me to post links please copy paste links to browser to see images (secured) hello guys , everyone should help me i need help about my galaxy tab Verizon will not power on after i tried to recover it back to original ROM , i will tell you the story first i have used heimdall 1.1 to restore back original ROM , it was success i used these files with heimdall as shown in picture with these files and it was success and my tablet boot successful as wanted : http://img195.imageshack.us/img195/1669/38911945.jpg after that i tried to update it with samsung simple upgrade tools , i though its update for its installed other system which is US Cellular , http://img87.imageshack.us/img87/286/51409819.jpg but my brother told me its will not work in USA , you should back to verizon that work with AT&T , i go back to old firmware , but i added new files that was existed in firmware folder as shown in the picture below : http://img24.imageshack.us/img24/1530/41982655.jpg , its uploaded all but stopped trying to upload modem , and the application said "Failure" after failure and also the progress bar on the tablet stopped , i turned it off , then i tried to charge it using USB cable its blank screen and even with electric charger its not working also and still blank screen , i noticed 2 things 1- the buttery was too low. 2- when charging from laptop its not charging and show red cross on battery, i tried all options by pressing power button for 30 seconds , many times , and also i tried to use volume buttons + power many times with no luck. 3- other thing i noticed that when i charging it with power charger i tried to listen to tablet to check if its up or not , but i heard Continues voice like "Zzzzzzzzzzzzzzzzzzzzzzzzzzzzz". am scare that after firmware its damaged what i have to do ?? can you help me please???