you would first need to go get ringtone maker from the play store and also tone picker once you have those you would need a root explorer

 

For the LG Esteem:

To rename or replace with your own custom sound the boot up mp3 file "MetroPCS...hello...hello...Wireless for all"


1. Root

2. Have Root Explorer. When you run Root Explorer, make sure you "allow" it superuser permissions. Enable R/W so you can make changes.

3. Go to /system/sounds/power/MetroPCS_PowerOn.mp3. < That is the location of the annoying sound file.


4. Rename or delete. It will disable the MetroPCS Startup sound.

Just by renaming that file, then you will have silence at bootup. You don't have to replace the mp3 file with anything. The animation will still show, but there won't be sound clip playing while the phone is booting up. Nobody needs to know your business.

5. Or to put your own choice of audio file in its place, you have to move an MP3 file to the same location NAMED EXACTLY: MetroPCS_PowerOn.mp3



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What I did was rather than just deleting the "MetroPCS_PowerOn.mp"3 file, I replaced it with a 1 second silent audio file named the same. Download the 1 second version from here and just re-name it and send it to yourself, then place it in the correct folder.

Magic's Place - Minidisc Downloads

 

well flash this through cwm and then change to what u want

 

thank u was giving me a hard time 2 change sound until i read yer post and just 2 let people no linux is case sensitive