No. Install the newest version available. Newer = safer. Only seek 1.6.1 if you have a specific compatibility issue with a newer build.
Current Date Subject: Availability and Security Assessment of M-BCA Android Application Version 1.6.1 Download M Bca Versi 1.6.1 Apk
Cybersecurity threats evolve daily. Version 1.6.1 includes an updated SSL/TLS certificate pinning mechanism to prevent Man-in-the-Middle (MITM) attacks. This version also improves root-detection algorithms, making it harder for malware to intercept banking data. Handbook: Download M Bca Versi 1