[Motorola Droid RAZR] Ohmster:
No. Heard it from several experts. Stargo, Matt Groff, several senior members, need I say more? The phone contains a chip that enables LTE and 4G operation. It is a large scale integrated circuit installed directly on the phone's interior motherboard. Once this chip has died, you will never go over 3G again. You will know by looking in Settings/About Phone. The Baseband Version of the radio will NOT contain anything to reference LTE. Poof, gone! Half of the previous basband information is "just missing" and it is not a bad radio file. People buy cheap, non working. i.e. broken screen phones on ebay and transfer the motherboard over to their own phone to fix them. Or, they just buy a replacement phone. Working XT912 phones on ebay go from $80-90 and up. I would rather pay the extra $10-20 for a factory refurb than chance a used phone, have scratches on it, chips, small cracks, bad battery. So, I got the replacement. It is hard news to take, but once you accept it, you can move on. Sorry. :(

About the IMEI, you can only change that number when it is set to all 0's. This allows a non-active phone to be put into service. Once an IMEI number has been assigned and written to the phone, you cannot change it. That is why Stargo helped me with ADB program scripts to pull the existing IMEI number from the phone. In his belief, if it had somehow "lost it's memory" and reverted back to all zeros, it could be reprogrammed again. With his help of personal scripts, I pulled the IMEI number off the phone and read it on a Windows console window. The IMEI retrieved exactly matched the IMEI printed on the bar code of the box it came in. It just would never show in Settings anymore other than "unknown". Same for stock rom. Most likely due to the LTE chip failure. However, Stargo is a programmer, I am an electronic tech. I know that to burn irreversible changes to an electronic circuit, for things like ID #' and to disable the memory portion of an Intel Pentium, diodes are flashed and burned open, never to connect again. This turns a Pentium IC into a Celeron, and could do the same thing for a cellphone IMEI number. I will attach Basband screencaps for you. The good phone shows the missing part in yellow. The bad phone you can see all of this highlighted information is missing. Bummer! :(

I did watch your video to change the IMEI number on an Android phone and it appears interesting. I would love to try it for experimental reasons, but dare not try it on my replacement phone. If your phone is truly has a bad LTE chip and you plan to scrap it, why not try the experiment youself and report back to us. I want to know and I am sure Stargo would appreciate it as well. We all want to learn. ONLY do this if you realize the phone is shot and LTE is no longer Functional! Check your Baseband Version in About Phone. A good LTE chip will have the letters "LTE" clearly in the Basband Version along with more numbers. A bad one will have that ½ of the Baseband version missing.

---------- Post added at 09:03 PM ---------- Previous post was at 08:29 PM ----------

WOW! You sure know your stuff, [MENTION=838017]sherri[/MENTION]! I had no idea you have spent so much time programming and setting up your devices to this extreme. I never quite understood the Safe Strap partition size and number to the internal storage space. It has taken me a LOT of recent experimentation to get a basic understanding of it. I always thought that the partitions were on the "the other half" of the internal SDCard. It really is 16GB but only 8Gb is given to the user. The other half is "Reserved" and off limits. All we ever see is the 8GB internal space. But that is exactly where SS makes the slots. Yep, I have a Stock slot and the numbered slots start to fill space once you activate them. 1 Gb of space for your roms is cutting it really close. No wonder you are such a pro at "Apps 2 SD" procedures. I used to get really heavy into trying to move everything to the external sdcard, but after Kit Kat, it became so difficult that I gave up.

I appreciate the rom advice and saved your post for future reading. Thank you very much for taking the time to explain it all, Ma'am! :cowboy: