Lenovo A7 30 Tablet - Manual (Page 52)

Lenovo A3300 Hardware Maintenance Manual
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12. Remove screws for fixing the PCBA onto the front module of the tablet.
Figure 7-12. The screws for fixing the PCBA
Part No. Screw (quantity) Color Torque
Phillips flat head screw, M1.4 x 3.5 (4) Black N/A
a
Note:
One of the screws is sealed by the manufacturer for checking the warranty
qualification of the product.
a