[Troubleshooting] How to get information helpful for debugging problems

[tom3q]

Added information useful for debugging battery drains.

[c.yongfang]

gt-15700 can not use compass , can tom3q fix it quickly ?

[lover1984]

1. Start your phone in recovery mode by 3 key combo (volume down + call accept + call hang up), not using "reboot to recovery" is very important.
2. Do full binary tar backup of all partitions, also called "Samdroid Backup (for Odin)", and a standard tar backup of EFS. VERY IMPORTANT, makes returning back much easier
3. Select "Install zip from sdcard" and then continue selecting "Toggle script asserts" until it displays "Script Asserts: Enabled" at the bottom.
4. I can do this part-but <after that-he cant mount and find my sd card

[lover1984]

Apply flash_kernel_build74.zip.-after that installation-i cant get access to sd card-no errors in intalling build 74

[tom3q]

Apply flash_kernel_build74.zip.-after that installation-i cant get access to sd card-no errors in intalling build 74

Something is wrong with your SD card.

[gialangpro]

help me, after i have done flash_kernel_build74.zip, and "power off" but when i started your phone in recovery mode by 3 key combo (volume down + call accept + call hang up),i can not install any .zip file. i see some error like this:
"CWM-base Recovery v5.0.2.7
E: Can't mount / cache/ recovery/command
E: can't open/cache/recovery/log
E: Can't mount/cache/recovery/last_log."
Please help me fix my phone, thanks so much!

[tom3q]

help me, after i have done flash_kernel_build74.zip, and "power off" but when i started your phone in recovery mode by 3 key combo (volume down + call accept + call hang up),i can not install any .zip file. i see some error like this:
"CWM-base Recovery v5.0.2.7
E: Can't mount / cache/ recovery/command
E: can't open/cache/recovery/log
E: Can't mount/cache/recovery/last_log."
Please help me fix my phone, thanks so much!

Please read the guide more thoroughly. It contains an information that such errors are normal and you should continue installing rebuild_ubi.zip.

[gialangpro]

After Apply flash_kernel_build74.zip,
I can not Apply rebuild_ubi.zip .It show me this:
"E: Can't mount/sdcard/update.zip
Installation aborted"
What can i do now, Tom pleases give me your best recommend. many thanks!

Please read the guide more thoroughly. It contains an information that such errors are normal and you should continue installing rebuild_ubi.zip.

[skyflasher62]

After Apply flash_kernel_build74.zip,
I can not Apply rebuild_ubi.zip .It show me this:
"E: Can't mount/sdcard/update.zip
Installation aborted"
What can i do now, Tom pleases give me your best recommend. many thanks!

What is the rom used before flashing in CM7 ?

[tom3q]

After Apply flash_kernel_build74.zip,
I can not Apply rebuild_ubi.zip .It show me this:
"E: Can't mount/sdcard/update.zip
Installation aborted"
What can i do now, Tom pleases give me your best recommend. many thanks!

Does you SD card contain just one FAT32 partition? If no, please repartition the card to have only one FAT32 partition or use another card just for the installation.