Gbyte Repair is a professional iOS system repair tool dedicated to resolving common and in-depth system faults on iPhone and iPad. It effectively fixes typical iOS abnormalities such as Apple logo stuck, boot loop, black and white screen failure, system freezing and upgrade failures. It features two hierarchical repair modes to cope with different levels of system faults. The standard mode resolves daily minor errors with complete data retention, while the advanced mode tackles complex and stubborn system failures.