The 4S is pretty tough. A screen protector and a bumper is enough for normal use. Casemate do some good "tough" cases if you use the phone in a risky environment or a prone to dropping them
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This is not Customer Service so we are unable to help with account specific issues.Currently using:
Pixel 7a (O2 & Lyca), One Plus 6 (Sfr), iPhone 12 Pro Max (Vodafone)