Lenovo A7-50 Tablet - Manual (Page 44)

Lenovo A3500 Hardware Maintenance Manual
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7. Pull out the main FPC from its connector using a pair of tweezers.
Figure 4-7. Pulling out the main FPC
8. Detach the RF cable of the speaker and antenna assembly from its connector
on the PCBA.
Figure 4-8. Detaching the RF cable