I ordered one called the 'merge' by Tudia from Amazon. I have the same cutout issue as well (T-Mobile w/mediatech cpu) with the 2 other cases I've tried.
TUDIA DualShield Designed for LG Velvet 5G/5G UW (Compatible with Verizon, T-Mobile, AT&T Versions), [Merge] Shockproof Tough Dual Layer Hard PC Soft TPU Slim Protective Case - Matte Black https://www.amazon.com/dp/B08J14BRSR/ref=cm_sw_r_apan_glt_fabc_X60D7DTF46JYVSY00ZD3?psc=1