it's ok, now the tablet work fine, i have put the firmware 0320 ans now i can take ZCR 1.5 or bitrider custom rom, all is ok.
this is what i have do:
i have download the 032 firmware and the pack AMLOGIC Burning Tool (driver for M3-CHIP are under)
i juqt press the power botton (the green led appear but no backlight, nothing on the screen and audio)
i plug the USB cable : M3-CHIP recognize but no driver (i add in myself by showing the destinnation)
i have download "fire_official_921_AMLF.zip" for the file :
config_progress.xml
usb_spl.bin
uImage_usb_burning
i put in a folder with all the files of the S7100Ben0321.zip (uncompress).
i edit the config_progress.xml with notepad on this way:
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<?xml version="1.0" encoding="UTF-8"?>
<progress_configs>
<command sn="0" path="usb_spl.bin" address="0xd9000000" run="true">load spl</command>
<command sn="1" path="u-boot-aml-ucl.bin" address="0x8f800000" run="true">load uboot</command>
<command sn="2" >crc 0x8f800000 size value</command>
<command sn="3" >run 0x8f800000</command>
<command sn="4">set_chgcur 0</command>
<command sn="5">video dev bl_off</command>
<command sn="6">video dev disable</command>
<command sn="7">sf probe 2</command>
<command sn="8">sf erase 0 100000</command>
<command sn="9">nand erase 4000000</command>
<command sn="10">defenv</command>
<command sn="11">setenv bootargs ${bootargs} a9_clk_max=600000000</command>
<command sn="12" cmd="setenv recovery_command --usb_burning" address="0x82000000">load addr</command>
<command sn="13">cmd_in_mem 0x82000000</command>
<command sn="14">save</command>
<command sn="15" path="uImage_usb_burning" address="0x82000000" run="false">load uimage</command>
<command sn="16" >crc 0x82000000 size value</command>
<command sn="17">bootm 0x82000000</command>
<command sn="18">wipe_data</command>
<command sn="19">wipe_cache</command>
<command sn="20" count="150">update:f02ref-ota-eng.allen.zip</command>
<command sn="22">copy_media</command>
<command sn="23">shutdown</command>
</progress_configs>
i compress all the file in this folder to a Zip file (no prob with the name you give it)
i start ImageBurnTool.exe
my tab appear on one of the 8 ports
clic on config and import upgrade files
select the Zip file we have created before
format the microSD on Fat32 and put only the 0320 firmware
put the micro SD on your tab
clic on start on amlogicBurningTool and the update will go on
now my tab is on the first firmware and i can update it like i whant
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