Samsung SGH-L170 Service Manual page 33

Exploded View and Parts List
7-2. Assembly
1
1) Assemble LCD with FRONT from bottom side.
2) Assemble KEY PBA with FRONT by inserting MIC portion at first.
3) Arrange MIC part into FRONT by pushing slightly. (Do not push with strong force)
2
1) Assemble KEYPAD with FRONT by inserting flanges of bottom side at first.
2) Set up flanges(4 points) into FRONT back side.
1) Insert rubbers. (2 points)
(Protection for separation KEYPAD from FRONT)
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7-4