Android Questions? Ask Android Device Experts for Answers ASAP
Hi and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, would a LINK to an electronic copy of the Service Manual serve your purpose? It has the dis-assembly instructions for both the lower and upper blocks as well as keypad frame assembly.
The Service Manual is illustrated for the dis-assembly as shown in the attached image.