I have recently switched to a fresh ROM that was enlisted in ROM manager called the Codec ROM, but for some reason, now it shows that the “custom kernel hasn’t been flashed”, though my install had finished correctly. When I chose to "reboot" as suggested by the CWM, it went dead and did not turn on even after plugging to my PC or plug or even holding the power and volume keys together.
Please tell me how to fix my phone.
How to replace a hard brick CWM condition?
Yes, this is known as hard brick condition. There could be a few reasons to this kind of error, for example: You could have flashed your phone completely by including a Preloader with wrong files/unsupported version. You could also have deleted the Preloader by mistake.
Try doing the following in that case:
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Open device manager by connecting to USB port.
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Take the battery out from your phone and reinsert.
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If the computer still does not read your device, then it has suffered a “Boot Death”. To repair, arrange for a screwdriver, a USB cable, copper wires and see that flash tool.kt exists in the PC you are connecting to.
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Disassemble very meticulously, and remove the “PCB” of the phone.
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Check for “COLO” “KOLO” or “KCOLO” on the gold points engraved. Sold them with ground potential and refix the device.
I am sure your device is ready for detection now!
How to replace a hard brick CWM condition?
That’s the problem when installing custom ROMs on Android. That’s why you need to install the correct or compatible ROM for your phone model. Try removing the battery for about a minute then connect the battery back. Now, try resetting your phone from Recovery Mode. With the phone completely off, press and hold the Volume Up, Home, and Power buttons simultaneously until the Samsung Galaxy logo appears.
When the logo appears, release the Power button but continue holding the other keys. When the Android System Recovery screen appears, release all buttons. To navigate between the options, press the Volume Up/Down buttons. To select or Enter, press the Power button. Now, press Volume Down and go to “wipe data/factory reset” then press the Power button to select.
Next, press Volume Down and go to “Yes — delete all user data” then press the Power button to select. Android will begin clearing your phone’s data so just wait. When it is finished, go to “reboot system now” and press Power.