[Q] How to Disable Signature Check? topic

Hello everyone, I'd like some help ..
Well, I have the following problem, I would remove the signature checking on system apps, because I want to modify the manifest.xml ..

I've tried everything and I can not .. :crying:

Services.jar\com\android\server\pm\PackageManagerService.smali

Code:

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.method static compareSignatures([Landroid/content/pm/Signature;[Landroid/content/pm/Signature;)I
    .registers 9
    .param p0, "s1"    # [Landroid/content/pm/Signature;
    .param p1, "s2"    # [Landroid/content/pm/Signature;

    .prologue
    .line 2613
    if-nez p0, :cond_8

    .line 2614
    if-nez p1, :cond_6

    const/4 v6, 0x0

    .line 2633
    :goto_5
    return v6

    .line 2614
    :cond_6
    const/4 v6, -0x1

    goto :goto_5

    .line 2618
    :cond_8
    if-nez p1, :cond_c

    .line 2619
    const/4 v6, -0x2

    goto :goto_5

    .line 2621
    :cond_c
    new-instance v3, Ljava/util/HashSet;

    invoke-direct {v3}, Ljava/util/HashSet;-><init>()V

    .line 2622
    .local v3, "set1":Ljava/util/HashSet;, "Ljava/util/HashSet<Landroid/content/pm/Signature;>;"
    move-object v0, p0

    .local v0, "arr$":[Landroid/content/pm/Signature;
    array-length v2, v0

    .local v2, "len$":I
    const/4 v1, 0x0

    .local v1, "i$":I
    :goto_14
    if-ge v1, v2, :cond_1e

    aget-object v5, v0, v1

    .line 2623
    .local v5, "sig":Landroid/content/pm/Signature;
    invoke-virtual {v3, v5}, Ljava/util/HashSet;->add(Ljava/lang/Object;)Z

    .line 2622
    add-int/lit8 v1, v1, 0x1

    goto :goto_14

    .line 2625
    .end local v5    # "sig":Landroid/content/pm/Signature;
    :cond_1e
    new-instance v4, Ljava/util/HashSet;

    invoke-direct {v4}, Ljava/util/HashSet;-><init>()V

    .line 2626
    .local v4, "set2":Ljava/util/HashSet;, "Ljava/util/HashSet<Landroid/content/pm/Signature;>;"
    move-object v0, p1

    array-length v2, v0

    const/4 v1, 0x0

    :goto_26
    if-ge v1, v2, :cond_30

    aget-object v5, v0, v1

    .line 2627
    .restart local v5    # "sig":Landroid/content/pm/Signature;
    invoke-virtual {v4, v5}, Ljava/util/HashSet;->add(Ljava/lang/Object;)Z

    .line 2626
    add-int/lit8 v1, v1, 0x1

    goto :goto_26

    .line 2630
    .end local v5    # "sig":Landroid/content/pm/Signature;
    :cond_30
    invoke-virtual {v3, v4}, Ljava/util/HashSet;->equals(Ljava/lang/Object;)Z

    move-result v6

    if-eqz v6, :cond_38

    .line 2631
    const/4 v6, 0x0

    goto :goto_5

    .line 2633
    :cond_38
    const/4 v6, -0x3

    goto :goto_5
.end method

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Running CM11 [Defy]

I apologize for my english .. :p