iPhone iphone 4 iOs 6.1.2 bricked

i have iphone 4 unlocked. it had firmware 6.1.2 and modem 4.12.02..i tried to restore it via itunes and it showed -1 error...then i tried to restrore(iOs 4.2.1) via Redsn0w...then it got stuck in recovery loop..no tinyumbrella or Recboot help me to get out of loop but after 2 days i am able to get it into DFU mode...now my phone seems bricked and i dont know what to do with this one..i just want to get its home screen back..i am novice in this stuff..please help me

 

error 1602

yeah i tried restore and update via itunes in DFU mode..then it shows some progress and after a while itunes stuck at verifying iphone restore with apple and on iphone apple and itunes sign appear in succession(recovery loop) and nothing happens ,at the end it displays error messege "iphone cannt be restored(1602)"

 

it had 6.1.2 ios version..when i querried blobs via redsn0w it showed 6.1.2, 4.3.5 and 4.2.1 then i tried restoring 4.2.1 at first via itunes..was the error cause by this??

 

how is it possible to restore without dfu cause its in recovery loop...not staying at a point...help

 

while restoring in itunes mode itunes download iOs and after downloading it displays your phone is uptodate...what to do? my phone is never getting out of this loop..when in itunes mode i click exit recovery in recboot then it shuts down and after a while apple sign appears...before it is bricked it has 6.1.2 version and modem 4.12.02..

 

there is no such thing in host file..
# Copyright (c) 1993-2009 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host

# localhost name resolution is handled within DNS itself.
# 127.0.0.1 localhost
# ::1 localhost
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Under Creative Commons License: Attribution

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127.0.0.1 www.tonec.com
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127.0.0.1 internetdownloadmanager.com
127.0.0.1 www.internetdownloadmanager.com
127.0.0.1 secure.internetdownloadmanager.com
127.0.0.1 mirror.internetdownloadmanager.com
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