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SP-4 Signal Enhancement Stick
Packing Information: 32*20*20cm/5000pcs
100% brand new, high quality
The latest research results show that a mobile phone antenna signal booster can prevent poor signal when traveling, climbing, or using elevators.
A huge impact, for example, if there is a 4-foot-long antenna on a mobile phone.
Improve reception, reduce static electricity in ships, elevators, cars, buildings, tunnels, and mountainous areas.
Easy to install, just peel and stick the internal battery compartment.
Installation Method:
Open the back cover of the phone, remove the battery, and clean the adhesive position of the signal sticker.Then gently remove the signal amplifier from the blister card and adhere it to the "upward" side that aligns with the mobile phone antenna.Turn the battery back on, cover the lid, and then open it.



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