diff --git a/node_modules/rn-fetch-blob/android/src/main/java/com/RNFetchBlob/RNFetchBlob.java b/node_modules/rn-fetch-blob/android/src/main/java/com/RNFetchBlob/RNFetchBlob.java
index 602d51d..920d975 100644
--- a/node_modules/rn-fetch-blob/android/src/main/java/com/RNFetchBlob/RNFetchBlob.java
+++ b/node_modules/rn-fetch-blob/android/src/main/java/com/RNFetchBlob/RNFetchBlob.java
@@ -38,7 +38,7 @@ import static com.RNFetchBlob.RNFetchBlobConst.GET_CONTENT_INTENT;
 
 public class RNFetchBlob extends ReactContextBaseJavaModule {
 
-    private final OkHttpClient mClient;
+    static private OkHttpClient mClient;
 
     static ReactApplicationContext RCTContext;
     private static LinkedBlockingQueue<Runnable> taskQueue = new LinkedBlockingQueue<>();
@@ -75,6 +75,10 @@ public class RNFetchBlob extends ReactContextBaseJavaModule {
         });
     }
 
+    public static void applyCustomOkHttpClient(OkHttpClient client) {
+        mClient = client;
+    }
+
     @Override
     public String getName() {
         return "RNFetchBlob";
diff --git a/node_modules/rn-fetch-blob/ios/RNFetchBlobRequest.m b/node_modules/rn-fetch-blob/ios/RNFetchBlobRequest.m
index cdbe6b1..1699c6c 100644
--- a/node_modules/rn-fetch-blob/ios/RNFetchBlobRequest.m
+++ b/node_modules/rn-fetch-blob/ios/RNFetchBlobRequest.m
@@ -15,6 +15,9 @@
 #import "IOS7Polyfill.h"
 #import <CommonCrypto/CommonDigest.h>
 
+#import "SecureStorage.h"
+#import <MMKV/MMKV.h>
+
 
 typedef NS_ENUM(NSUInteger, ResponseFormat) {
     UTF8,
@@ -450,16 +453,107 @@ typedef NS_ENUM(NSUInteger, ResponseFormat) {
     }
 }
 
-
-- (void) URLSession:(NSURLSession *)session didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition, NSURLCredential * _Nullable credantial))completionHandler
+-(NSURLCredential *)getUrlCredential:(NSURLAuthenticationChallenge *)challenge path:(NSString *)path password:(NSString *)password
 {
-    if ([[options valueForKey:CONFIG_TRUSTY] boolValue]) {
-        completionHandler(NSURLSessionAuthChallengeUseCredential, [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust]);
-    } else {
-        completionHandler(NSURLSessionAuthChallengePerformDefaultHandling, [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust]);
+  NSString *authMethod = [[challenge protectionSpace] authenticationMethod];
+  SecTrustRef serverTrust = challenge.protectionSpace.serverTrust;
+
+  if ([authMethod isEqualToString:NSURLAuthenticationMethodServerTrust] || path == nil || password == nil) {
+    return [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
+  } else if (path && password) {
+    NSMutableArray *policies = [NSMutableArray array];
+    [policies addObject:(__bridge_transfer id)SecPolicyCreateSSL(true, (__bridge CFStringRef)challenge.protectionSpace.host)];
+    SecTrustSetPolicies(serverTrust, (__bridge CFArrayRef)policies);
+
+    SecTrustResultType result;
+    SecTrustEvaluate(serverTrust, &result);
+
+    if (![[NSFileManager defaultManager] fileExistsAtPath:path])
+    {
+      return [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
+    }
+
+    NSData *p12data = [NSData dataWithContentsOfFile:path];
+    NSDictionary* options = @{ (id)kSecImportExportPassphrase:password };
+    CFArrayRef rawItems = NULL;
+    OSStatus status = SecPKCS12Import((__bridge CFDataRef)p12data,
+                                      (__bridge CFDictionaryRef)options,
+                                      &rawItems);
+
+    if (status != noErr) {
+      return [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
+    }
+
+    NSArray* items = (NSArray*)CFBridgingRelease(rawItems);
+    NSDictionary* firstItem = nil;
+    if ((status == errSecSuccess) && ([items count]>0)) {
+        firstItem = items[0];
     }
+
+    SecIdentityRef identity = (SecIdentityRef)CFBridgingRetain(firstItem[(id)kSecImportItemIdentity]);
+    SecCertificateRef certificate = NULL;
+    if (identity) {
+        SecIdentityCopyCertificate(identity, &certificate);
+        if (certificate) { CFRelease(certificate); }
+    }
+
+    NSMutableArray *certificates = [[NSMutableArray alloc] init];
+    [certificates addObject:CFBridgingRelease(certificate)];
+
+    return [NSURLCredential credentialWithIdentity:identity certificates:certificates persistence:NSURLCredentialPersistenceNone];
+  }
+
+  return [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
+}
+
+- (NSString *)stringToHex:(NSString *)string
+{
+  char *utf8 = (char *)[string UTF8String];
+  NSMutableString *hex = [NSMutableString string];
+  while (*utf8) [hex appendFormat:@"%02X", *utf8++ & 0x00FF];
+
+  return [[NSString stringWithFormat:@"%@", hex] lowercaseString];
+}
+
+-(void)URLSession:(NSURLSession *)session didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition, NSURLCredential * _Nullable))completionHandler
+{
+  NSString *host = challenge.protectionSpace.host;
+
+  // Read the clientSSL info from MMKV
+  __block NSDictionary *clientSSL;
+  SecureStorage *secureStorage = [[SecureStorage alloc] init];
+
+  // https://github.com/ammarahm-ed/react-native-mmkv-storage/blob/master/src/loader.js#L31
+  NSString *key = [secureStorage getSecureKey:[self stringToHex:@"com.MMKV.default"]];
+
+  if (key == NULL) {
+  return;
+  }
+
+  NSData *cryptKey = [key dataUsingEncoding:NSUTF8StringEncoding];
+  MMKV *mmkv = [MMKV mmkvWithID:@"default" cryptKey:cryptKey mode:MMKVMultiProcess];
+  clientSSL = [mmkv getObjectOfClass:[NSDictionary class] forKey:host];
+
+  NSURLCredential *credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
+
+  if (clientSSL != (id)[NSNull null]) {
+    NSString *path = [clientSSL objectForKey:@"path"];
+    NSString *password = [clientSSL objectForKey:@"password"];
+    credential = [self getUrlCredential:challenge path:path password:password];
+  }
+
+  completionHandler(NSURLSessionAuthChallengeUseCredential, credential);
 }
 
+// - (void) URLSession:(NSURLSession *)session didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition, NSURLCredential * _Nullable credantial))completionHandler
+// {
+//     if ([[options valueForKey:CONFIG_TRUSTY] boolValue]) {
+//         completionHandler(NSURLSessionAuthChallengeUseCredential, [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust]);
+//     } else {
+//         completionHandler(NSURLSessionAuthChallengePerformDefaultHandling, [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust]);
+//     }
+// }
+
 
 - (void) URLSessionDidFinishEventsForBackgroundURLSession:(NSURLSession *)session
 {