S4 boots with Blank Screen after root and installing ROM

prashant.saraf

Senior Member
Aug 16, 2015
56
3
0
Hi,

Couple of days back I did rooted my ATT S4 using KingsRoot, After boot I did install Rom Tool Box Pro.
I did downloaded Google Play Edition from ROM section,
I did following steps to install
1. use Rom Tool Box to reboot,
2 Wipe chache and Data
3. Use Rom from SD Card to install.
I got error saying Foot not verified, I did good thought something wrong and used another rom from
[ROM][Official][5.1.x] CyanogenMod 12.1 Nightlies for the AT&T Galaxy S4 (jflteatt)
Now I got same error but my Phone is not booting to previous state.

I am on debug mode I get
could not do normal boot
COIN MODE

Please suggest what to do next
 

Cats_PJs

Senior Member
Mar 23, 2014
174
52
48
Hi,

Couple of days back I did rooted my ATT S4 using KingsRoot, After boot I did install Rom Tool Box Pro.
I did downloaded Google Play Edition from ROM section,
I did following steps to install
1. use Rom Tool Box to reboot,
2 Wipe chache and Data
3. Use Rom from SD Card to install.
I got error saying Foot not verified, I did good thought something wrong and used another rom from
[ROM][Official][5.1.x] CyanogenMod 12.1 Nightlies for the AT&T Galaxy S4 (jflteatt)
Now I got same error but my Phone is not booting to previous state.

I am on debug mode I get
could not do normal boot
COIN MODE

Please suggest what to do next
What's your phones model number?