                  oki900 5 esn modification

o make sure battery is fully charged

o use torx #7 and remove two torx screws on back of phone

o on bottom of phone next to microphone is 27c512 chip in
  socket

o use precaution and remove chip in phone and replace with
  the new program chip (note pin number one is on bottom of
  phone next to microphone)

o close phone up

o turn phone on and press the numbers 7 & 9 at the same time
  then press menu then press send then press end then press
  rcl then press sto then press clr then press 1 & 3 at the
  same time and you should now be in the maintenance/debug
  mode

o press #25 to view memory locations (example: #25be8e)

o press #54 to program memory locations

o use the * key to change the numbers 1 through 6 to the
  letters a through f (example: press *1 to get the letter a
  or *2 to get the letter b and so on)

o esn #1 is in location number be8e be8f be90 be91
o esn #2 is in location number be93 be94 be95 be96
o esn #3 is in location number be98 be99 be9a be9b
o esn #4 is in location number be9d be9e be9f bea0
o esn #5 is in location number bea2 bea3 bea4 bea5

o to install esn you must use the esn in its hex eight
  version

o press #54 plus the four digit location where you want to
  install each pair of numbers from the hex esn

o example: if the number you want to install is 82ab1234 and
  you want to install this in esn location number one then
  you press #54*2*58*582send then for the next two digits
  press #54*2*58*6*1*2send then for the next two digits press
  #54*2*59012send then for the last two digits press
  #54*2*59134send then do this procedure again to store
  additional esn

o to get phone to work you must view memory location a6aa to
  do this press #25*16*1*1 and write down the number
  displayed so that we can give you a number to install

o to install the number given to you press #54*2*6*1*6 then
  input the two digit number given to you and press send

o to select which nam/esn you want to use press menu then
  press volume up then press rcl then press 6 digit security
  number then use rcl to select nam/esn then press sto then
  press clr twice then turn the phone off and on

o to view which esn/nam you are using turn phone off then on
  then press menu and rcl at the same time then press
  *62729854# and the phone will now display software version
  and esn



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